On a number line what does it mean when it said find the ratio of dh to ce when d=30 h=70 c= 20 and e= 40

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)