Xº, yº and zº are three angles lying on a straight line. (b) If x = 2yº and zº = 3yº, find the value of y.

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

(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.