Answer: x is 52 and y is 38.
Step-by-step explanation:
x+128=180
x=52
52+y=90
y=38
Answer:
The slope represents the cost per gallon for heating oil while the y-intercept represents the fee for heating oil.
a³b < 0
If a > 0 then a³ > 0
and b < 0
then
a³b → + × - → -
that is a³b < 0
