belt calculated the cost for tuition and books for 4 years of college will be $31,800. which expression shows an estimate to check if beth’s calculation is reasonable?

896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

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?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !