Identify the coefficient and degree of the term.-2y3
A. -2, 3
B. 3, 2
C. 2, 3
D. 3, -2
Answer: A
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Solve the problem.A 100 gal tank is half full of distilled water. At time = 0, a solution containing 2 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of 
When the tank is full, how many pounds of concentrate will it contain?
A. 187.5 pounds B. 175 pounds C. 150 pounds D. 200 pounds
Is the following a statement? What is its truth value?This test is too hard.
A. Statement. The truth value is true. B. Statement. The truth value is false. C. Not a statement. This is an opinion and cannot be answered true or false.
Solve the problem.For the triangle with vertices located at A(3, 4, 5), B(5, 5, 4), and C(1, 1, 1) , find a vector from vertex C to the midpoint of side AB.
A. 
i + 1j + 
k
B. 5i + 
j + 
k
C. 3i + 
j + 
k
D. 4i + 
j + 
k
Solve the problem.The temperature at the South Pole was -42° at 8 A.M. At 3 P.M., it was 36°. By how many degrees did the temperature rise?
A. 78° B. -78° C. 6° D. -6°