Convert 13542 base six to base ten. i'm in math20 at folsom lake college and i'm trying to figure out this question. i had most of the answers figured out but this one stomped me.

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Which of the following expressions are equivalent ?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?