Jill had 4/7 as many marbles as Jack. When Jack gave Jill 36 marbles, both then had the same number. a. How many more marbles than Jill did Jack have to start with? b. How many marbles did Jack and Jill have between them?

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !