Andrew buy a four pack of pens and a calculator he paid with two $10 bills and received 6.45 back in change if the calculator cost 10.55 how much did each individual pen cost

Can (2,3 and square root 10) be sides ona right triangle?

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

How do you find the area of a triangle