Evaluate the following:

a(b + c)

a = .2, b = 7.9, c = 5.5

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?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.