While shopping at the school bookstore ric purchased 4 book covers for $1.25 each and a pen that cost 2/5 as much as a book cover. what amount of change(c) did ric receive if he paid for his purchase with a $10 bill?

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Find the solution of this system of equation -7x+y=-20 9x-3y=36