# Posts by Barrie

Total # Posts: 4

**math**

A. Lisa is 15 years old and her father is 40. How many years ago was the father six times as old as Lisa? B. Joel is one third the age of Bob. In 7 years the combined ages of the boys will be 58. How old is each boy now?

**biotech college**

What is 29 miles per hour in units of m/s? 1 mile is 5280 feet, 1 meter is 3.3 feet, 1 hour is 60 minutes, and 1 minute is 60 seconds.

**college physics**

What is 29 miles per hour in units of m/s? 1 mile is 5280 feet, 1 meter is 3.3 feet, 1 hour is 60 minutes, and 1 minute is 60 seconds.

**math**

simplify and state the restrictions on the variables. a^3/(a+1)^2 + a/(a+1)^2

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