Factor the polynomial completely.1000s3 + 1
A. (1000s + 1)(s2 - 10s + 1)
B. (10s - 1)(100s2 + 10s + 1)
C. (10s + 1)(100s2 - 10s + 1)
D. (10s + 1)(100s2 + 1)
Answer: C
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Add.-18 + (-14)
A. -4 B. 4 C. -32 D. 32
Estimate the product by first rounding each number so that there is one nonzero digit.4.7 × 4.81
A. 16 B. 1.6 C. 25 D. 2.5
A programmer purchases a new garage for $26,000 and makes a down payment of 30%. The remainder is financed for 2 years at an annual interest rate of 7% compounded quarterly. The quarterly payment for this loan is $2,457.78. Calculate the amount of interest paid over a 2-year term of the loan.
a. $1,124.08 b. $1,462.24 c. $175.92 d. $15,322.96
Solve the problem.Suppose that the population of a certain town, in thousands, was 105 in 1990 and 141 in 2002. Assume that the population growth can be approximated by a straight line. Find the equation of a line which will estimate the population of the town, in thousands, in any given year since 1990.
A. y = -3x + 177 where x is the number of years since 1990 B. y = 2.5x + 105 where x is the number of years since 1990 C. y = 4.25x + 90 where x is the number of years since 1990 D. y = 3x + 105 where x is the number of years since 1990