Choose the model that matches the described situation.A 10 gallon tank of water is drained at a rate of 3 gallons per minute for 2 minutes, is left for 4 minutes, then is emptied at a rate of 4 gallons per minute.

A.

B.

C.

D.


Answer: C

Mathematics

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A basketball is tossed onto the hardwood, where it bounces several times. We measure its location as distance up from the floor. When the ball is moving downward, what can be said about its velocity?

A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.

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Use DeMoivre's Theorem to write the expression in rectangular form.3

A. 4 - 4i
B. -4 - 4i
C. 4 + 4i
D. -4 - 4i

Mathematics

Determine whether the first number is divisible by the second number.2784; 4

A. Yes B. No

Mathematics

Evaluate or simplify the expression without using a calculator.log 105

A. 105 B. 10 C. 5 D. log 5

Mathematics