In 2008, Lake McBee had a depth of 1020 feet. 6 years later, after a period of drought, the lake level had dropped 45 feet. Fill in the blanks to determine the average change in the lake level per year.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?