Bob the Pest Control Expent promised Ms. Ellis he would get rid of the roaches investing her house. He said he could reduce them by 25% per day. There were an estimated 2,350,000 roaches running around her house. How many will be left in two weeks if Bob can make good on his promise ?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Find the zeros of each function. f(x) = x^2 + 5x - 6

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points