What would be the best first step to solving the following equation? 18=m+12. A. add 18 to both sides B. subtract 18 from both sides C. add 12 to both sides

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

Simplify using positive exponents only.

Identify the slope an intercept of the following linear equation y = 1/5x - 6 a. slope: 1/5; intercept: -6 b. slope: 5; intercept: -6 c. slope: -1/5; intercept: 6 d. slope: 1/5; intercept: 6