X^2 = 4 x (20-4) =64. So x =8
Answer:
1. 7
2.-5
4.20
5.1
6.1
7./8.2 variables
9.3variables
10. 25
11.0
12. 1
13. 2
14. 3
15. 5
16. -5
17. 3
18.
19 .28p
hope this helps u
Step-by-step explanation:
I am unable to answer some questions
(5b) / (32a^2)....a = 1/4 and b = 6
now we sub
(5(6) / (32(1/4^2) =
30 / 32(1/16) =
30 / (32/16) =
30 / 2 =
15 <===