There were 240 shoppers at an electronic store on opening day. The specials that day allowed 25% of shoppers receive a free set of earbuds and 20% of shoppers to receive $10 off their first purchase.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?