What is the direct variation equation if y varies directly with x and y = –6 when x = –36?

a.

y=-6x
b.
y=1/6x

c.
y=6x

d.
y= - 1/6x

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?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm