Erika needs a test average of 90 or higher to make the honor roll. There are four tests in the term.
• Her first three test grades were 65, 95, and 87.
Which inequality could be used to find what she needs to score on her fourth test, x, in order to make the honor roll?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Which of the following is true for the relation f(x)=2x^2+1

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the