Solve the problem.The temperature at 5:00 was -3° C. Four hours later, it was -14° C. What was the change in temperature?

A. -17° C
B. 11° C
C. 17° C
D. -11° C


Answer: D

Mathematics

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Factor the polynomial completely.t3 + 64

A. (t - 64)(t2 - 1) B. (t + 4)(t2 - 4t + 16) C. (t - 4)(t2 + 4t + 16) D. (t + 4)(t2 + 16)

Mathematics

Subtract.

A. 4753 B. 5753 C. 4683 D. 4743

Mathematics

Solve the problem.The surface area of a human body (in square meters) is approximated by  where W is the weight of the person in kilograms and H is the height in meters. Find A if  and H

A. 1.72 m2 B. 1.62 m2 C. 1.71 m2 D. 1.96 m2

Mathematics

Use mathematical induction to prove that 7 + 14 + 21 + 28 + . . . + , n any positive integer.

What will be an ideal response?

Mathematics