Subtract the fraction 2 2/6 - 1 3/4?

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

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?