First you have to do

.
Since the car is moving at a constant rate, the answer would be
8h.
Answer:
8.2
Step-by-step explanation:
If each student in the group collected 15 shells, we know that there are 123 students on the field trip, so we can take 123 and divide it by 15 to get 8.2 or 41/5.
-24 - I didn’t explain it in words, but the step by step is in the image!
Answer:
C, D, J
Step-by-step explanation:
Points to the left of the y-axis have a negative x- value
Points to the right of the y-axis have a positive x- value
Points on the y-axis have an x- value of zero
C(- 4, 5), D(- 9, 9 ), J(- 9, 0) ← are the coordinates of the points
All have a negative x- value
N-O
———-
O
(New - old
—————
O)
8750-12500
——————-
12500
-3750
————
12500
=030%