Was it easier to add, subtract, divide, or multiply polynomials? Explain why?
Is for a essay help me

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10