I need help! What is the Volume of the Prism, in cubic centimeters

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

What are the soultion(s) to the quadratic equation 40- x^2=0