W A) U(-3,0), V(1.5, 1.5), w (4.5, -1.5)
B) U(-0.5, 0), V(0.25, 0.25), (0.75, -0.25)
C) U (0-2)V(-1, 1), (1,3)
D) U12,0), V(-1, -1), w(-3, 1)

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?

Rationalize the denominator- 12x/√x-10

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)