Given f(x) = –3x – 7, what is f(–4)?
a.
40
b.
5
c.
–1
d.
–14

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap