Evaluate the polynomial.x2 + 3y2 + 2xy for x = 6 and y = 3
A. 117
B. 99
C. 72
D. 63
Answer: B
Mathematics
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Find the least common multiple of the numbers in the group.48, 162, 3
A. 324 B. 1296 C. 432 D. 648
Mathematics
An IV of 500 mL of D5W is to infuse at a rate of 75 mL/hr. What is the infusion time for this IV?
A. 6 hr 7 min B. 6 hr 66 min C. 6 hr D. 6 hr 40 min
Mathematics
Solve the equation by factoring.x2 - 11x = -28
A. {-4, 7} B. {-4, -7} C. {7, 4} D. {-7, 7}
Mathematics
Water flows from a tank of constant cross-sectional area 50 
through an orifice of constant cross-sectional area 1/4 located at the bottom of the tank. Initially, the height of the water in the tank was 20 ft, and t sec later it was given by the equation 
. How fast was the height of the water decreasing when its height was 2 ft?
a. 
ft/sec
b. 2/25 ft/sec
c. 
ft/sec
Mathematics