In 6th grade lilly read 15 books. this year in the 7th grade she read 18 books. what is the percent of increase in the number books that lilly read this year.

For the function, f(x) = -5x 2, find f(-4).

Nine more than four times a number is the same as one less than twice the number. find the number?

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f