Write four negative integers greater than -20

In each of the following pairs, which number is to the right of the other on the number line?

(a) 2, 9

(b) -3, -8

(c) 0, -1

(d) -11, 10

(e) -6, 6

(f) 1, -100

Write all the integers between the given pairs (write them in the increasing order)

(a) 0 and -7

(b) -4 and 4

(c) -8 and -15

(d) -30 and -23

Write four negative integers less than -10.