Write an expression to model the following situation: lisa and tom are baking cookies for the annual bake sale. lisa has baked 66 cookies, and tom has baked 126. how many cookies have they baked in all?

What is 1/2 x (6 x 4)+3 + 2 show your work

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?