If r and s are the 2 solutions of the equation below and r>s, what is the value of r-s? 2x2+7x-15=0

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?