Find the product.(x + 13)(x - 13)
A. x2 - 26
B. x2 + 26x - 169
C. x2 - 26x - 169
D. x2 - 169
Answer: D
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Solve the problem.A swimming pool has a rectangular base 12 ft long and 24 ft wide. The sides are 7 ft high, and the pool is full of water. How much work will it take to lower the water level 2 feet by pumping the water out over the top of the pool? Assume that the water weighs 
Give your answer to the nearest ft ? lb.
A. 440,294 ft ? lb B. 17,971 ft ? lb C. 880,589 ft ? lb D. 35,942 ft ? lb
Determine whether the given equation is the general solution or a particular solution of the given differential equation.
- 
= 2y, y = c1e-x + c2e2x
A. General solution B. Particular solution
Sketch the right triangle and find the length of the side not given. If necessary, approximate the length to the nearest thousandth.leg = 6, hypotenuse = 10
A. 8 B. 10 C. 9 D. 7
Choose the equivalent expression for the given expression.csc2x
A. 1 + tan2x B. 1 - cot2x C. 1 - sec2x D. 1 + cot2x