If 40 men build 4 buildings in 12 months, how many men would be required to build 6 houses in 4 months? Plz with formula

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

W-16=-12 solve each one step equation plz

The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}