2x=32
x=16
A combination lock uses the digits 0 through 5. If the lock has three places, and none of those places contains the same number, then how many different combinations are there?
120
In the Antares Corporation, 3/7 of the managers are female. If there are 42 female managers, how many managers in total are there?
98
what is a perpendicular line
a line that intersects at an point and creates an 90 degree angle
At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is 300, how many chickens are there?
120
29x+3=29x+3
infinite solutions
What is the expression | |−9 + 2| − |8 − 3| | equal to?
2
If J ÷ 24 = K, then J ÷ 6 =
4K
What are the four types of angles
Acute Angles, Obtuse Angles, Right Angles, Straight Angle
If 24 kilograms of flour are required to make 300 tarts, how many kilograms of flour are required to make 45 tarts?
18/5
11x-7=3x+9
x=3
If a + b = 5 and ab = 4, what is the expression a3 + b3 equal to?
65
What is the solution to the equation 53x-7 = 5-x+9?
4
An angle is formed by two ___ with a common endpoint.
rays
Suppose water was being pumped into a cistern, so that the height of the water was rising at a constant rate. The height of the water was 23 cm at 9:00 am and 72 cm at 4:00 pm. What was the height of the water at noon?
44cm
3x-1=x-5
x=-2
In 2004, Cindy had $4000 in a mutual fund account. In 2005, the amount in the same account was $5000. If the percent increase from 2004 to 2005 was the same as the percent increase from 2005 to 2006, how much did Cindy have in this account in 2006?
$6250
In the standard (x, y) coordinate plane, the coordinates of the endpoints of line segment FG are (-2, 3) and (10, -2). What is the x-coordinate of the midpoint of FG?
4
If angle ∠XYZ is a right angle and W is in the interior of angle ∠XYZ , which of the following CANNOT be the measure of angle ∠WYZ ?
10
30
60
80
100
100
When 3 is multiplied by n, the product is 1. When n is added to k, the sum is 1. What is the value of k?
2/3
7x-10+x+3=9x-11
x=4
What is the least common multiple of all integers from 1 to 8 inclusive?
840
Which of the following angles has the same terminal side as 1,105°?
25 degrees
7X-1 +9X-2 = 10X + 18
X= 5
In Dewey Elementary School, there are two second-grade classes: class A has 35 students and class B has 45 students. If 40% of the students in class A walk to school, and 80% of the students in class B walk to school, what percent of all the students in the second-grade at Dewey Elementary walk to school?
62.5%