Add or subtract as indicated. Express the answer as a single polynomial in standard form.(8x4 - 5x2) + (4x4 + 2x2)
A. 9x12
B. 12x8 - 3x4
C. 9x6
D. 12x4 - 3x2
Answer: D
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Write the number in scientific notation.0.0000000408016
A. 4.08016 × 10-8 B. 4.08016 × 10-7 C. 4.08016 × 10-9 D. 4.08016 × 108
Solve the problem by using two equations with two variables.A retired couple has $170,000 to invest to obtain annual income. They want some of it invested in safe Certificates of Deposit yielding 7%. The rest they want to invest in AA bonds yielding 12% per year. How much should they invest in each to realize exactly $17,400 per year?
A. $110,000 at 12% and $60,000 at 7% B. $110,000 at 7% and $60,000 at 12% C. $120,000 at 12% and $50,000 at 7% D. $100,000 at 7% and $70,000 at 12%
Express the repeating decimal as a fraction in lowest terms.0.
A. 
B. 
C. 
D. 
Give the equation of the oblique asymptote, if any, of the function.h(x) = 
A. y = x + 
B. y = 
C. y = 
x
D. no oblique asymptote