Answer the question.
My mom and dad have $9.88 in their savings account and $4.78 in their checking account. How much more do my parents have in savings than in checking

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

A. s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]