Sandi buys 5 fewer packages of pencils than p packages of pens. Pencils costs $2.25 per package and pens costs $3 per package. What does the expression 3p + 2.25(p - 5) represent?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Factor the expression using gcf 9b+45

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)