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
(
, 3 )
to calculate the midpoint use the midpoint formula
midpoint = [
(9 + 0),
(- 1 + 7)] = (
, 3 )
Answer:
I could be wrong but it's 2/7 (i think)
Step-by-step explanation:
I hope this helps :)