1. Megha bought 10 note-books for 40 and sold them at 4.75 per note-book. Find her gain
percent.

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

When y’all answer can y’all explain too !

Factor the polynomial. b^2 + 4b + 4