Is this a proportional relationship ?

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels