Andrew bought a computer for $650 a printer for $135.89, and two printer cartridges for
$28.79 each.
how much did andrew spend in all? show your work and remember to include units.

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?

Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?