Isacc wants the equation below to have no solution when the missing number is placed in the box. Which number should he place in the box?

Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer