The slope of the line that contains the points (2, -7) and (-2, 5) is -3. What is the y-intercept? A. 11
B. 1
C. -1
D. -13

please help

Select all the expressions that will include a remainder.

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs