Which expression represents the greatest common factor (gcf) of 30 and 80? a. 2 x 5 b. 2 x 7 c. 7 x 5 d. 2 x 2 x 5

Can someone me out here number 4 plz

Which number completes the inequality? 2/3 < _ < 7/9

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?