Answer:
7.15x + 3.55y + 20 = weekly income
Step-by-step explanation:
7.15x + 3.55y + 20 = weekly income
The vertex of the parabola is at (5,3) and its focal length is 8/4 = 2.
Since it opens to the right, the directrix will be a vertical line 2 units to the left of the vertex, so its equation will be x=(5-2), or x=3
Answer:
Its the last one I beleive not sure
Step-by-step explanation:
Answer:
Yes it is linear
Step-by-step explanation:

Then, now that we have solved for T, we can evaluate and solve for t=20 minutes.