∠a and ∠b are vertical angles with m∠a=x and m∠b=5x−80 . what is m∠a ?

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

Find the value of x for which the lines are parallel.