Find the missing hypotenuse:

How

Stefan's sculpture is 7/12 foot tall. he attaches it to a base that is 1/3 foot tall. how tall, in feet, is the sculpture with the base?

2polnts what is the value of the fourth term in a geometric sequence for which a = 10 and r= 0.5?

The library sells 376 books at its annual used-book sale. the sale takes in a total of $2119. children's books cost $4, and adult books cost $7. let x = number of children's books sold, and let y = the number of adult books sold. which system of equations can the librarians use to model this situation?