Four
fair coins are tossed. find the expected number of heads. they are using a chart to find it

Which of the following is true for the relation f(x)=2x^2+1

What is the range? can’t seem to find it out

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?