20 points answer quickly multiple choice question

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

What percent of the circle below is shaded?