Which statement is true about the difference square root of 7 - square root of 28?
a. it is rational and equal to -2.
b. it is rational and equal to 0.
c. it is irrational and equal to -2square root of 7.
d. it is irrational and equal tosquare root of 7.

What is the range? can’t seem to find it out

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?