How many solutions does the system of equations have?

x + 3y = 8

2x - y = 9

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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?

To decrease an amount by 16% what single multiplier would you use