Hat is the surface area of a cylinder that has a volume if 785.4in3 and a radius of 5 in? A 471.2in2
B 10in2
C 150in2
D 4712.3in2

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.