Solve the problem.Jim has 56 trees that he wants to plant in a rectangular array. List the possible arrays.
A. 7 × 8, 8 × 7
B. 1 × 56, 7 × 8
C. 2 × 28, 4 × 14
D. 1 × 56, 2 × 28, 4 × 14, 7 × 8
Answer: D
Mathematics
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Use a calculator to perform the operation. Express your answer in scientific notation.
A. 1.39 × 10-1 B. 1.39 × 10-3 C. 1.388728918 × 10-11 D. 1.39 × 10-11
Mathematics
Determine whether the variation between the indicated quantities is direct or inverse.The distance traveled by a person in a car traveling at fixed speed and the time taken to drive this distance.
A. Inverse B. Direct
Mathematics
Divide, if possible. If a quotient is undefined, state so.
A. -4 B. -5 C. -6 D. 5
Mathematics
Suppose that the utility function for two products is given by 
, and the budget constraint is 
. Find the values of x and y that maximize utility.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics