What is the value of the function y = 2x + 3 ⁢when x=−1x=−1

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Math each whole number with a rational,exponential expression

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?