Answer:
the answer is 140 hope this helped
irrational
rational
Plug in 4 for x
9(4) + 7 = 40
36 + 7 = 40
43 ≠ 40
No, 4 is not a solution
hope this helps
D part
Step-by-step explanation:
3x + 80⁰ + 2x = 180⁰ (By Linear Pair)
5x + 80⁰ = 180⁰
5x = 100⁰
x = 20⁰
Hope it helps :)
6 < 2 1/2 + 1 1/3R