(−5x+10) and (-7x+9)(−7x+9 in simplest terms

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

One positive number is 9 more than twice another. if their product is 95, find the numbers

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?