Answer:
34
Step-by-step explanation:
4(2)-2(7)+40
8-14+40
-6+40=34
For number 19:
"at least 150" means either 150 ≤ ? or ? ≥ 150
plus 3 so +3x
The answer would be 150 ≤ 100 + 3x
Number 20:
A is at -2.5. The inverse is the opposite so 2.5
Answer:
-19
Step-by-step explanation:
It's -19 I took the test
Proof in the picture below
Answer: N = 11
Step-by-step explanation:
Add 8 on both sides
-10n = -110
divide -110 by -10