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devlian [24]
3 years ago
14

Pls help me with 19,20 pls thx and show me how u did it

Mathematics
1 answer:
Anastasy [175]3 years ago
7 0
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
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