Factor by grouping.7x2 - 26x - 8
A. (7x + 2)(x - 4)
B. (7x - 2)(x + 4)
C. (7x - 4)(x + 2)
D. (7x + 4)(x - 2)
Answer: A
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Solve the problem.Find the moment of inertia (in lb?ft2) of a rectangular door 8 ft high and 5 ft wide with respect to its hinges if 
A. 5120 lb?ft2 B. 2000 lb?ft2 C. 1000 lb?ft2 D. 400 lb?ft2
If a cylindrical tank holds 10000 gallons of water, which can be drained from the bottom of the tank in an hour, then Torricelli's Law gives the volume of water remaining in the tank after t minutes as 
Find the rate at which the water is flowing out of the tank (the instantaneous rate of change of V with respect to t) as a function of t.
What will be an ideal response?
Graph the circle whose radius is r and whose center is (h, k). r = 3; (h, k) = (3, -3)
A. 
B. 
C. 
D. 
Find the standard form of the complex number shown below. Round answers to two decimal places. 
a. 4. 83 - 4. 25i b. 4.60 - 3.86i c. 6.02 - 5. 39i d. 5.84 - 5. 21i e. 5.35 - 4.96i