Provide an appropriate response.Simplify the expression: 5x - 7 - (2x + 3)
A. 3x - 10
B. 3x - 4
C. -7x
D. 7x - 4
Answer: A
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Rewrite the inequality using interval notation. Then graph the inequality.x ? 4 or x ? 5
A. (4, 5)
B. (-?, 4] ? [5, ?)
C. (-4, 5)
D. [-5, -4]
Consider the normal distribution given below and assume that P is a point of inflection of the curve.
Find the third quartile Q3 of the distribution rounded to the nearest meter.
A. 115 m B. 149 m C. 150 m D. 104 m E. 58 m
Solve the problem.A sidewalk 8 feet wide is to be built around a rectangular garden of perimeter 1600 feet. The sidewalk will make circular sectors of 8-foot radius at the vertices of the rectangle. Find the area that will be covered by the sidewalk. Give an exact answer.
A. (12800 + 64 ?) ft2 B. (12800 + 128?) ft2 C. (6400 + 64 ?) ft2 D. (12800 + 256 ?) ft2
Use a graphing utility to graph the polar equation.r = sin4 5? + cos 3?
A. 
B. 
C. 
D. 