Rewrite the following linear equation in slope intercept form. y+4=-2(x-1)

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

What expression is equivalent to 42x-56y