Evaluate the expression.
A. - 8
B. - 
C. 
D. 
Answer: B
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Provide an appropriate response.For what values of x is 
= -2?
A. -3 ? x < -2 B. -2 ? x < -1 C. -3 < x ? -2 D. -2 < x ? -1
A pitching machine throws 70% strikes and 30% balls. Five pitches will be thrown by the machine.What is the probability the machine will throw one ball and four strikes?
A. 
B. 5 × 0.3 × 0.74
C. 0.3 + 4 × 0.7
D. 0.3 × 0.74
E. none of these
Solve the problem.When 5 times a number is subtracted from 7 times the number, the result is 16. Find the number.
A. 11 B. 15 C. 2 D. 8
Solve the problem.A stone is dropped from a tower that is 730 feet high. The formula 
describes the stone's height above the ground, h, in feet, t seconds after it was dropped. What is the stone's height 1 seconds after it is released?
A. 714 ft B. 689 ft C. 739 ft D. 724 ft