What do the slope and y-intercept mean as they relate to the study time and the number of words spelled correctly

What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.

The quotient of 15 and a number is 1 over 3 written as an equation

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show?