Algebrathis is my first time doing an equation with more than one variable, and i would like someone to check my work and tell me if i got the right answer. you in advance. problem: -5s - 4 - 9s = -26answer i got: s = 2.6

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

The curved part of the figure is the semicircle what is the best approximation for the area of this figure

Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?