Atriangle has one side that measures x, and the other two sides each measure 4 inches less than x. the perimeter is 19 inches. what is the measure of x?

(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.

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.