X= y - 3
x + 3y = 13

what is the solution to the system of equations?
a) (1, 4)
b) (4, 1)
c) (7, 4)
d) (2.5, 5.5)

The price of a coat increased from $78 to $92. what is the price increase percentage?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Which two undefined geometric terms always describe figures with no beginning or end?