Identify the degree of the polynomial.-a + 9a3 - 5a7 + 2a2
A. 3
B. 12
C. 7
D. 13
Answer: C
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Factor the special products.y2 - 25
A. (y - 5)2 B. (y + 5)(y - 5) C. prime D. (y + 5)2
Use factoring techniques to solve the polynomial equation.64x3 + 11 = 3
A. 
B. 
C. 
D. 
Solve the problem.Don James wants to invest $69,000 to earn $6140 per year. He can invest in 
bonds paying 
per year or in a Certificate of Deposit (CD) paying 
per year. How much money should be invested in each to realize exactly $6140 in interest per year?
A. $44,000 in B-rated bonds and $25,000 in a CD B. $26,000 in B-rated bonds and $43,000 in a CD C. $43,000 in B-rated bonds and $26,000 in a CD D. $25,000 in B-rated bonds and $44,000 in a CD
Find the sum Sn of the first n terms of the geometric sequence. 3, -9, 27, -81, 243, . . . ; n = 10
A. -44,279 B. -44,286 C. -44,292 D. -44,288