What is the equivalent expression after this is simplified

2k - 13

Step-by-step explanation:

Perform the indicated multiplication using the Distributive Property of Multiplication.

We get -6 - 12k + 14k - 7.

Next, we combine like terms;  - 12k + 14k comes to 2k and

-6 - 7 comes to -13.

The desired equivalent expression is thus

2k - 13

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.