Given the expressions: 5x+2(x-4) and 7x-8 first prove that they are both equivalent and explain why your method proves this.

4. a spring scale is constructed so that each 0.10-n increment is separated by 0.50 cm. what spring constant is necessary for the scale to be accurate? -1.0n/cm -0.10n/cm -9.8 n/cm -0.20n/cm

Which value of c would make he following expression completely factored? 8x+cy

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