Which president came to fredrick douglass for advice

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?