math 6 adv.
convert 0.6 to a percentage
60%
what is 3x−7 when x=4?
5
Solve the equation for x: 2x+5=17
x=6
3(w - 2) = 15
w=7
a rectangle has a length of 8 centimeters and a width of 5 centimeters, what is the perimeter of this rectangle?
26 centimeters
Evaluate the expression 2x+3 when x=4
11
Evaluate the expression: 5+3×(8−2)5+3×(8−2)
23
Solve for x in the inequality: 2x + 5 < 15
x < 5
subtract -9 from -3
6
A bag contains 5 red balls, 3 blue balls, and 2 green balls. If a ball is randomly selected from the bag, what is the probability of selecting a blue ball?
3/10 chance
A student scored 80% on a test. If the student retakes the test and scores 90%, what is the percentage increase in their score?
12.5
simplify: 2x2 + 5x
--------------
x2 - 4
x (2x + 5)
------------------
(x - 2)(x + 2)
The heights of six students in inches are: 52, 55, 57, 60, 62, and 64. What is the RANGE of these heights?
12
Sarah has $45. She wants to buy a book for $18, a pen for $5, and a notebook for $7. After buying these items, how much money will she have left?
$15
If the ratio of boys to girls in a class is 3:5 and there are 24 students in total, how many boys are in the class?
there are 9 boys
The cost (C) of renting a bicycle for x hours is given by the function C (x) = 5x + 10. If the cost of renting a bicycle is $20 and I want to use it for 5 hours, how much will it cost?
it will cost $35 to rent the bicycle for 5 hours.
If a box contains 24 candies, and John eats 1/3 of them, how many candies does he eat?
8 candies
calculate the sum of 3/4 and 5/6.
1/4
If a rectangular prism has a length of 8 inches, a width of 4 inches, and a height of 6 inches, what is its surface area?
208in2
A train travels 300 miles at a certain speed. If the train had gone 20 mph faster, it would have taken 1 hour less to cover the same distance. Find the original speed of the train.
the original speed is 50 mph