Solve the equation.
= 
A. {1}
B. {31}
C. {5}
D. {-31}
Answer: B
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Solve the problem.The foundation for a cylindrical fountain is a cylinder 14 yd in diameter and 5 yd high. How many cubic yd of concrete are needed to build the foundation (to the nearest hundredth)?
A. 769.30 yd3 B. 3077.20 yd3 C. 439.60 yd3 D. 1538.60 yd3
Solve the problem using the table below.
In addition to the base coverage, options can be added including: identity theft/fraud protection-$20/yr; sewer/sump pump backup protection-$75/yr. Extended coverage endorsements include jewelry, watches, and furs-$0.85/$100/year; camera equipment-$1.35/$100/year; computer equipment-$0.95/$100/year; fine art and collectibles-$1.10/$100/year; firearms and accessories-$1.45/$100/year; and portable tools-$3.25/$100/year.Cindy needs a $20,000 renters insurance policy and has selected the $1,000,000 liability with $500 deductible. The insurance company has determined her credit is excellent and has given her the "good"
credit rate. If she adds an endorsement to insure $5000 worth of jewelry and the options of 
and sewer/sump pump backup protection for her basement, find her annual premium.
A. $306.50
B. $231.50
C. $407.50
D. $291.50
Find the area of the figure using determinants.
A. 21.5 B. 20.5 C. 22.0 D. 21.0
Find f'(x) for the function, then find f'(x) for the given x.f(x) = x2 + 7x - 2, f'(0)
A. f'(x) = x2 + 7; f'(0) = 7 B. f'(x) = 2x + 5; f'(0) = 5 C. f'(x) = x2 + 5; f'(0) = 6 D. f'(x) = 2x + 7; f'(0) = 7