Provide an appropriate response.Simplify the rational expression: 
A. 
B. 
a4b2
C. 
D. 
Answer: A
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Use a table or formula to solve the problem.
Jenny Sherrer has $23,000 to invest and believes that she will earn 8% compounded semiannually. Find the future value amounts if she invests for 4 years and for 7 years. Then find the additional amount earned due to the longer period.
A. $12,921.86 B. $8351.53 C. $24,983.98 D. $3359.61
Solve.The formula for the area of a trapezoid is A = 
h(b1 + b2), where b1 and b2 are the lengths of the two bases and h is the altitude or height of the trapezoid. (i) Solve the formula for h. (ii) The area of a trapezoid is 81 square feet. If its two bases are 6 and 12 feet, find its height.
A. (i) h = 
(ii) 1.5 ft
B. (i) h = 
(ii) 5 ft
C. (i) h = 
(ii) 9 ft
D. (i) h = 
(ii) 18 ft
The polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. 
B. 
C. 
D. 
Use a coterminal angle to find the exact value of the expression. Do not use a calculator.csc -360°
A. 1 B. -1 C. 0 D. undefined