Answer:
1221 - 321 = 900
Step-by-step explanation:
When the height is 0 that is when it hits the ground
solve
0=-16t²+25x+3
cant factor so use quadratic formula
for
0=ax²+bx+c

so for
0=-16t²+25t+3
a=-16
b=25
c=3
so



it has to be a positive time
so it will hit the ground after

seconds
Answer:
The slope represents the cost per gallon for heating oil while the y-intercept represents the fee for heating oil.