The area of a parallelogram is 15 centimeters squared. the length of the base is 5 centimeters. find the width. show all your work.

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

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

(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.