A triangle has sides with lengths of 7 yards, 12 yards, and 13 yards. Is it a right triangle?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

(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.

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?