Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 5
- 2
- 
A. 3x
B. 13x
C. 2x
D. 14x
Answer: B
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Solve the following inequality for x, where x is an integer.2x ? 16
A. x ? 
B. x ? 
C. x ? 4
D. x ? 4
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
Between 72 and 78 cars
A. 98 people B. 100 people C. 99 people D. 50 people
Given the area of a rectangle and its specified length or width, use an appropriate formula to find the requested measurement.The area of a rectangular piece of plywood is 88 in.2, and the length is 11 in. Find its width.
A. 10 in. B. 7 in. C. 8 in. D. 12 in.
Evaluate the expression for the given replacement values.x ÷ y for x = 180, y = 3
A. 60 B. 63 C. 58 D. 62