Find the indicated set.Let A = {2, 7, 9, 12, 15}, B = {3, 9, 11, 15, 20}, and C = {4, 8, 9, 10, 12, 14}.Find 
A. {9, 12, 15}
B. {9, 12}
C. {2, 3, 4, 7, 8, 9, 10, 11, 12, 14, 15, 20}
D. {9}
Answer: D
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Solve the problem.A $90,000 trust is to be invested in bonds paying 8%, CDs paying 5%, and mortgages paying 9%. The bond and CD investment together must equal the mortgage investment. To earn a $7020 annual income from the investments, how much should the bank invest in bonds?
A. $24,000 B. $22,000 C. $45,000 D. $21,000
Simplify.
A. 
B. 
C. 
D. 
Solve. Simplify the answer.Jerry caught a fish that weighed 18
pounds. Pat caught a fish that weighed 
pounds. How much more did Jerry's fish weigh than Pat's fish?
A. 8
lb
B. 8
lb
C. 27
lb
D. 26
lb
Solve the problem by using a nonlinear system.The sum of the squares of the digits of a positive two-digit number is 85, and the tens digit is 1 less than the units digit. Find the number.
A. 56 B. 67 C. 65 D. 76