Myra is evaluating the expression –31.7 + 4.5x, when x = 2.1.

–31.7 + 4.5(2.1)

–27.2(2.1)

–57.12

What was Myra’s error?

A Myra should have multiplied -31.7 and 2.1 first.

B Myra should have multiplied 4.5 and 2.1 first.

C Myra should have subtracted -27.2 and 2.1 first.

D Myra should have added -31.7 and 2.1 first.

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.

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x