Find the area of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 28.26 ft2
B. 254.34 ft2
C. 63.585 ft2
D. 56.52 ft2
Answer: C
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Find the area. Use 3.14 for ? as necessary.
A. 1384.74 in.2 B. 346.185 in.2 C. 65.94 in.2 D. 131.88 in.2
Evaluate the integral using the given substitution.
dx , u = 7x - 4
A. - 
(7x - 4)-2 + C
B. (7x - 4)-2 + C
C. - 3(7x - 4)-2 + C
D. - 
(7x - 4)-4 + C
Increasing the down payment on a mortgage reduces both the size of the monthly payments and the total interest paid. Calculate the reduction in the monthly payment by increasing the down payment by the amount specified, and the amount saved on interest over the life of the loan. Assume the mortgage is for 20 years and use the table to find the monthly payments. 
A. $71.60, $17,184.00 B. $83.60, $20,064.00 C. $96.50, $23,160.00 D. $73.40, $17,616.00
Graph the inequality.25x2 - 9y2 ? 225
A. 
B. 
C. 
D. 