A line has a slope of -1/2 and a y-intercept of -2 What is the x-intercept of the line?​

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.

Indicate the formula for the following conditions: p^c(n,r)=

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25