Expand these expressions.
−(−x − 7)

Wrote and expression for the difference of p and 4

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?

How do newtons third law of motion demonstrates on a rollar coster