If someone would be so kind as to do 7 & 8 for me it would be much appreciated. No diagram for 8 needed btw.

Answer:
Answers are below
Step-by-step explanation:
192 = 3x
192 ÷ 3 = 64
7a. 64
96 - 64 = 32
1 ÷ 3 = 0.3 repeating
0.3 x 100 = 33.3 repeating
7b. 33%
23 - -9
23000 + 9000 = 32000
8. 32000ft