Chapter 1: Variables & Equations
Evaluate 15 - 3 x 2 + 4
13
Find the product of (-7)(-50)
350
Solve the equation 36 = p + 20
16
What is the greatest common factor of 45 and 75?
15
Find the sum of -29 + (-51) + 36
-44
60/t = 4
15
Find the difference of -18 - (-17)
Solve the equation: c/4 + 7 = 12
20
What is the least common multiple of 30 and 60?
60
Evaluate 7s/r + 0.5 when r = 1.5 and s = 2.4
8.4
Find the perimeter and area of a rectangle with a length of 13 ft and width of 8 feet.
-32j - 24
Translate the statement into an equation and solve: The sum of 5 and the quotient of a number and 3 is -1.
5 + n/3 = -1; -18
Which is larger: 17/6 or 2 13/18?
17/6
An auto repair shop charges $48 per hour, plus the cost of parts. The cost of parts is $129, and the total cost is $201. How much time is required to repair the car?
1.5 hours
Evaluate the expression 6^3 / (2+1)^2 + 3
27
Combine like terms of 5a - 3(2a + b) - 7b
-a - 10b
Find the area and perimeter of a triangle that has a height of 12 inches, a base of 10 inches, and sides of 13 inches.
A = 60 inches squared
P= 36 inches
What is the prime factorization of 72?
2^3 x 3^2
Simplify 2(3k - 6) + 4 + 5k
11k - 8
What is a histogram used for?
To graph data in equal intervals and shows its frequency.
Find the sum of 93 + (-57) + (-102)
-66
A rectangle has an area of 60 square meters and length of 12 meters. What is the width and perimeter?
5 m and 34 m
Find the greatest common factor of 21mm, 9km^2
3m
What is the least common multiple of 12x^3y, 8x^2y^4
24x^3y^4