What are the solutions to the following system of equations?
y = x2 + 3x − 7
3x − y = −2
(3, 11) and (−3, −7)
(11, 3) and (−3, −7)
(3, 11) and (−7, −3)
no real solutions

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.