Variables
Solve for r.
r + 65 = 130
r = 65
x - 80.0 = 39.6
119.6
What is the formula for area of a triangle ?
1/2 bh or bh/2
A pack of 6 notebooks cost $9. What is the cost per notebook?
$1.50 per notebook
Put in order from least to greatest.
-98, 15, -35, 85, 25, -5, 0, 17
-98, -35, -5, 0, 15, 17, 25, 85
Solve for x.
35x = 280
x = 8
6.198 X 0.5
3.099
What is the area formula for finding the area of a parallelogram?
A = b x h
A grocery store sells 5 pounds of apples for $7.50. What is the cost per pound?
$1.50 per pound
Write an inequality comparing these two numbers.
15 and -12
-12 < 15
or
15 > -12
Solve for x.
2x - 7 = 9
x = 8
15.21 ÷ 0.13
117
What is the perimeter of a square with a base width of 12 centimeters?
48 centimeters
A car travels 120 miles in 3 hours. At this rate how far will it travel is 5 hours?
200 miles
Use an inequality to compare these two absolute values.
|-12| and |13|
|13| > |-12|
or
|-12| < |13|
Evaluate
3 x (4 + 3 + 2) - 5 = ?
22
Write 0.20 as a percent.
20%
What is the area of a rectangle that has a base of 4 inches and a height of 9 inches?
36 in.2
There are 18 students for every 2 teachers on a field trip. If there are 90 students, how many teachers are needed to keep the same ratio?
10 teachers
What is the greatest common factor of 24 and 40?
8
Distribute the expression
3(14a - 6c)
42a -18c
What is 36% of 282?
101.52
Find the area of a triangle with a base that is 7 inches long and has a height of 8 inches.
28 in.2
A tutoring company charges $25.00 per hour to tutor a student. How many hours of tutoring would cost $62.50?
2.5 hours
What is the least common multiple of 16 and 24?
48