What is the determinant of the coefficient matrix of the system
[0x+Oy-Oz = 3
0x+Oy+Oz=-1?
0x+By+ Oz= 18

What is an equation of the line that passes through the point (-2,3) and is parallel to the line whose equations is y=3/2x-4? i am stuck between y=3/2x or y=3/2x+6 : (

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?

What is the slope of the line shown below?