Arrange 7/ 10 , 3/5 , 17/ 20 , 11/ 15 in descending order​

The system of equations graphed below has how many solutions?

For the equations below which statement is true ?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?