What is the value of the expression below when x=7? 5x-3

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days