Please Help. Find the value of x in the isosceles triangle shown below

Which expression is equivalent to? assume x > 0 and y > 0.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

(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.