Which expression is equivalent to -30 - 8x + 50 - 2x?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Which equation can be solved to find one of the missing side lengths in the triangle? cos(60o) = cos(60o) = cos(60o) = cos(60o) = mark this and return