This section of a concrete skateboard ramp has the shape of triangular prism. Find the volume of the triangular prism. Find the value of the concrete used in the ramp if the cost of concrete is $4.00 per cubic foot.

Where is the table?

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.