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
The answer is A.50 just take the test. and was write
The answer for this is A.(3,1).
hope this helps
Answer:
a. 
b. 
c. 
Step-by-step explanation:
a.
b.
c.
Answer:
Step-by-step explanation:
This is the associative property for addition. In informal language, it says under addition, the order of the addition is not critical.
