Combine like terms and write the resulting polynomial in descending order of powers.9a5 - 15a5 + 15a4 + 10a5 - 4a4
A. 15a9
B. 4a5 + 11a4
C. Cannot be simplified
D. 15a5
Answer: B
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Solve.How much money will Orvin have in 4 years is he invests $5000 at 15% annual rate of interest compounded quarterly? How much will he have if it is compounded monthly? Use the interest formula 
. Round the answers to the nearest cent.
A. $5308.59 when compounded quarterly $5308.98 when compounded monthly B. $9011.14 when compounded quarterly $16,357.45 when compounded monthly C. $5308.59 when compounded quarterly $9076.77 when compounded monthly D. $9011.14 when compounded quarterly $9076.77 when compounded monthly
Multiply.315 × 7
A. 2205 B. 2215 C. 2305 D. 2105
Indicate whether the function is one-to-one.{(6, -4), (9, -3), (7, -2), (5, -1)}
A. Yes B. No
Simplify the given expression.7hk + 4hk + 3hk
A. 
hk
B. 14hk
C. 
h2k2
D. 14h2k2