Hurry please a will give 20 points too all you who answer this but make it fast Jiang counted that he had thrown 90 pitches in a baseball game. He actually had thrown 94 pitches. Enter numbers into the boxes to write an expression for the percent error in Jiang's count.

What is not true about kl and mn? what is mn? (show )

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

(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.