Four times an angle is equal to half of its supplement. Find the measures of both angles.

Which of the following expressions is equal to 2x^2+8

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

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.