Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x + 4y)(x - 4y)
A. x2 - 8xy - 16y2
B. x2 - 16y2
C. x2 + 8xy - 16y2
D. x2 - 8y2
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Subtract.
- 
A. 
B. 1
C. 10
D. 5
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Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. There are currently 72 million cars in a certain country, decreasing by 3.4% annually. How many years will it take for this country to have 47 million cars? Round to the nearest year.
A. 3 yr B. 95 yr C. 7 yr D. 13 yr
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Multiply.-0.7 ? 6.06
A. 4.242 B. -4.242 C. 5.36 D. 6.76
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