What is 7 + 8?
7 + 8 = 15
What is the value of x in x + 5 = 12?
x = 7
What is the square root of 49?
Square root of 49 = 7
What is the value of -3 + 15?
-3 + 15 = 12
What is the value of 24?
24 = 16
What is 45 - 19?
45 - 19 = 26
What is the area of a rectangle with length 6 and width 3?
Area = 6 x 3 = 18
Simplify: 3(2x + 4).
3(2x + 4) = 6x + 12
Solve: 2(x - 3) = 14.
x = 10
Solve: x/6 = 9.
x/6 = 9 —> x = 54
What is 6 x 7?
6 x 7 = 42
Convert 0.5 to a fraction.
0.5 = 1/2
Solve: 5x = 45.
x = 9
A triangle has angles 40° and 60°. What is the third angle?
180 - (40 + 60) = 80 degrees
A number is increased by 25% to make 50. What was the original number?
0.75x = 50 —> x = 50/0.75 =66.667
What is 81 divided by 9?
81 divided by 9 = 9
What is the perimeter of a square with side length 9?
Perimeter = 4 x 9 = 36
What is the volume of a rectangular prism with sides 2, 4, and 5?
Volume = 2 x 4 x 5 = 40
Simplify: 3/4 divided by 1/2
3/2
Simplify: 4x - 2(3 - x).
4x - 2(3 - x) = 4x - 6 + 2x = 6x - 6
What is the value of 32+ 4?
32+ 4 = 9 + 4 = 13
What is 15% of 200?
15% of 200 = 30
What is the mean of the numbers: 4, 7, 9, 10?
4+7+9+10/4 = 30/4=7.5
The ratio of boys to girls is 3:5. If there are 40 students total, how many are boys?
Ratio boys:girls = 3:5 → total parts = 8
Boys= 3/8 x 40 =15
A line passes through points (2, 3) and (6, 11). What is its slope?
11-3/6-2 = 8/4 =2