Simplify.-|3|
A. 0
B. -3
C. - 
D. 3
Answer: B
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Solve the problem.Hooke's law is applicable to idealized (linear) springs that are not stretched or compressed too far. Consider a nonlinear spring whose restoring force is given by F(x) = 16x - 0.2x3, for |x| ? 9. How much work is done in stretching the spring from its equilibrium position (x = 0) to x = 0.5? Round to two decimal places when appropriate.
A. 2 J B. 319.95 J C. 3.99 J D. 639.9 J
Simplify the expression by using a sum or difference identity.cos (53°) cos(47°) + cos(-37°) sin(-47°)
A. 0 B. cos 100° C. 1 D. sin 100°
Solve.At the end of a day, Shawn found that the total cash register receipts at the store where he works amounted to $9558.6. This included the 7.4% sales tax charged. Find the amount of the actual sales.
A. $10265.93 B. $8900 C. $9000 D. $8851.26
Evaluate the expression without using a calculator.(-1)3/7
A. - 
B. -1
C. 1
D. 0