Use the following information to answer numerical-response question 5. The polynomial function y=x³ - 7x² + bx + 2b, b = N, shown below, has a factor of (x + 1). N X Numerical Response 5. When this polynomial function is written as y=(x + 1)(x-a)², a = N, the value of a is_ (Record your answer in the response area at the bottom of the screen.)

Is a 7% increase followed by the 20% increase is equal to a 27% increase. Why or why not? Explain.

Amdre paid 13$ for 3 books. Deigo bought 12 books priced at the same rate. How much did Deigo pay for the 12 books? Explain your reasoning

The 8 red markers in a package account for 4% of all markers in the package. How many markers are in the package?

Steve bought a used banjo for $395.00 at a music store. He was charged $419.89 for the purchase. Find the sales tax and the sales tax rate.           The sales tax is $29.89, and the sales tax rate is 6.9%.         The sales tax is $24.89, and the sales tax rate is 6.3%.         The sales tax is $24.89, and the sales tax rate is 5.3%.         The sales tax is $29.89, and the sales tax rate is 6.7%.

There are 180 fans stood in line at the Barclay Center. 30% of the people paid in cash. How many did NOT pay in cash? Show your work.