Write an equivalent expression to show the relationship of multiplication and addition. 10 + 10 + 10

Nine more than four times a number is the same as one less than twice the number. find the number?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?