Math 1
Simplify (4xy + y - 3x + 12) - (xy + 2x - 4y + 4).
3xy - 5x + 5y + 8
What is the slope of any line parallel to y = 3x + 5?
3
What is the slope of any line perpendicular to y = 3x + 5?
-1/3
On average, for every 4 sports cars sold at the local car dealership, 7 SUV’s are sold. The dealership predicts that it will sell 28 sports cars next month. How many SUV’s does it expect to sell?
49 SUVs (or 28 x 7 / 4)
Animals that eat both plants and meat are called what?
Omnivores
If 991 + 993 + 995 + 997 + 999 = 5000 - Q, then Q equals what number?
25
How many lines of symmetry does a regular octagon have?
8
Given the following set of numbers, what number do you get when you subtract the mode from the range?
10, 15, 2, 12, 17, 48, 12, 36
34
If you can buy 8 pounds of peanuts for $10, how many pounds of peanuts can you buy for $15?
12 pounds (or 8 x 15 / 10)
What is the process in which water changes from a liquid to a gas?
Evaporation
Robert competes in a 15-question math competition that gives the winner $500 plus $15 for every question the winner answers correctly. If Robert wins the competition and is given $665, how many questions did he answer incorrectly?
4 incorrect
A school has 40 teachers and each teacher teaches 4 classes. Each class has 30 students and one teacher. If each student takes 5 classes how many students does the school have?
4800/5 or 960 students
A rectangular region is formed from 9 rows with 5 small squares per row. How many small squares do not have an edge on the perimeter of the rectangle?
21
If the sales tax on certain objects is 8.25%, how much sales tax is there for an item that costs $200?
$16.50
What is the largest organ in the human body?
The skin
An internet provider company charges $9.95 per month plus $0.05 per hour of usage. Genny used 80 hours in February. How much will she be charged?
$13.95
The graph of the equation Ax + 3y = -3 is a line that passes through (2, -5). What is the value of A?
6
One of the tallest trees in my pasture casts a shadow of 3 feet long at the same time that a pole 32 feet high casts a shadow that is 2 feet long. How tall is the tree?
48 feet
What is the next element in the sequence: 1, 16, 81, 256, ... ?
54 or 625
Mitochondria
Elena buys notebooks at a price of 4 for $5. She sells them at a price of 3 for $5. How many notebooks must she sell to make a profit of $100?
$1200/5 or 24
Z(x) = x2 - 9x - 36 has two roots (answers). What is the sum of those two roots?
9 (The roots are -3 and 12)
Our local hardware store has some bicycles and tricycles for sale during the holiday season. If there are 25 seats and 60 wheels in all, how many bicycles does the store have for sale?
15 bicycles
Wes had his salary reduced by 10%. He was later promoted, and his salary was increased by 10%. If his original salary was $ 20,000, what is his present salary?
$19,800
What is the name of the chart of chemical elements heavily used in Chemistry?
Periodic Table