There are 64 boxes of pencils in a case. each box weighs 2.5 ounces. what is the weight of a case

The system of equations graphed below has how many solutions?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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?