Solve the problem.A national poll showed that 4 out of 7 registered voters planned to watch the presidential debate. Another national poll conducted by a different organization showed that 360 of 630 registered voters planned to watch the presidential debate. Is the number of voters who plan to watch the debate proportional to the number of voters in the poll for these two different polls?
A. No
B. Yes
Answer: B
Mathematics
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Rewrite the expression in terms of log(2) and log(5).log(52)
A. 2 log(5) B. 5 log(2) C. log(10) D. log(5) + log(2)
Mathematics
Factor the polynomial completely.4x3 + 4x2y - 24xy2
A. 4x(x - 2y)(x + 3y) B. (x - 2y)(4x2 + 12xy) C. (4x2 + 8xy)(x - 3y) D. 4x(x + 2y)(x - 3y)
Mathematics
Factor completely, or state that the polynomial is prime.x8 - 1
A. (x4 + 1)(x2 + 1)(x + 1)(x - 1) B. prime C. (x4 - 1)2 D. (x2 - 1)4
Mathematics
Solve.A salesperson has two job offers. Company A offers a weekly salary of $450 plus commission of 10% of sales. Company B offers a weekly salary of $900 plus commission of 5% of sales. What is the amount of sales above which Company A's offer is the better of the two?
A. $9000 B. $4500 C. $9100 D. $18,000
Mathematics