Find the number of solutions :
4x-2y=8
y=2x+8

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)