"Over" usually means divide. First hint, check.
If we write it out, it looks like this:

This is the same as <em>some number divided by 7.</em>
Answer:
17 pieces of fruit in total
Step-by-step explanation:
2x7=14+3=17
B is correct. Substitute the week number for w in the function. Follow order of operations and you should get you N, the number of fruit flies for that week. For instance week 2:
N= 2(5)^2-1
N=2(5)^1
N=2(5)
N= 10
N= 10 corresponds to the table
X2=9 has only one solution, which is 4.5
V=lxwxh. 15x19x169= 48,165, which doesn't seem to be an answer