What is the ratio of 18: 24, 4: 70, 35: 105, 22: 7, 12: 165, in fractions in their simplest form?

What is the inverse of the function f(x) = 2x + 1?

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Witch represents the inverse of the function f(x)=1/4x-12