What is the total future value six years from now of $80 received in one year?

Which matrix multiplication is possible?

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.