–q + 23 + 11n + 7j + 20 – 13r
What are the coefficient in this expression

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?

10x − 5y + 14 = 0 whats the answer pls