Jeff had 3/4 yard of string. he used 2/3 of the string to tie a package. how much string did he use?

Solve the system of equations. y= 2x y= x^2 - 15

Which best explains why this triangle is or is not a right triangle?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?