Solve.Pam bought 1000 pencils for $0.03 each. How much did she spend?
A. $0.30
B. $300.00
C. $3.00
D. $30.00
Answer: D
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Solve the problem.Suppose that the salinity S of ocean water at a given depth d is modeled by the equation 
where S is measured in grams salt per kilogram water and d is measured in meters. What is the salinity when the depth is 931 m? Round your answer to the nearest hundredth.
A. 95.63 g salt/kg water B. -27.25 g salt/kg water C. 92.63 g salt/kg water D. 36.15 g salt/kg water
Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 12 inches by 25 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(12 - x)(25 - x) B. V(x) = x(12 - 2x)(25 - 2x) C. V(x) = (12 - 2x)(25 - 2x) D. V(x) = (12 - x)(25 - x)
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 12,000; exact: 12,275.44 B. Estimate: 12,000; exact: 12,375.44 C. Estimate: 13,000; exact: 13,275.44 D. Estimate: 13,000; exact: 13,375.44
Solve the problem.Compute the matrix of the transformation that performs the shear transformation 
for 
and then scales all x-coordinates by a factor of 0.61.
A. 
B. 
C. 
D. 