Provide an appropriate response.Write x ? x ? x ? x ? x using exponents.
A. 5(x)
B. x5
C. 5
D. 5x
Answer: B
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Solve the problem.An interior decorator needs 110 feet of fabric to make curtains for a house. If the fabric is sold by the yard, how many yards and feet of fabric will the interior decorator need?
A. 37 yards 2 feet B. 36 yards 1 foot C. 330 yards D. 36 yards 2 feet
Solve the problem.Murrel's formula for calculating the total amount of rest, in minutes, required after performing a particular type of work activity for 30 minutes is given by the formula R(w) = 
, where w is the work expended in kilocalories per min. A bicyclist expends 5 kcal/min as she cycles home from work. Find R'(w) for the cyclist; that is, find R'(5).
A. 6.12 min2/kcal B. 7.35 min2/kcal C. 8.57 min2/kcal D. 4.9 min2/kcal
Multiply.
A. 524 B. 404 C. 424 D. 411
Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined B. Zero C. Negative D. Positive