Martha earns $15 per hour for babysitting. The parents always give her a $5 tip. -What is the slope of this situation?
-What is the y-intercept in this situation?
-How many hours did Martha babysit if she made $65?
(Please help me)

Simplify the expression. enter the correct answer.

Need solving this 2nd limit problem.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.