This is really hard can anyone help it's due in 20 minutes

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

Plz hurry evaluate the expression a+b where a=8 and b=19