Solve the problem.The area of a square is numerically 4 less than the perimeter. Find the length of the side, if the side is greater than 1.
A. 5 units
B. 8 units
C. 4 units
D. 2 units
Answer: D
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Simplify. Combine like terms if possible.-8w + 8w
A. 0 B. -64w2 C. -16w2 D. -16w
Use cross products to determine whether the pair of fractions is equivalent.
and 
A. not equivalent B. equivalent
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 28 B. 38,416 C. 14 D. 16
Solve the problem.Instruments on a satellite measure the amount of power generated by the satellite's power supply. The time t and the power P can be modeled by the function P = 50e-t/300, where t is in days and P is in watts. How much power will be available after 378 days? Round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).