Aspeed walker covered 4 1/2 mi in 3/4 hour. how far will he walk with the same pace in: 3 hours

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29