Answer:
yes. because the price is 3 times the number of pens
Step-by-step explanation:
2*3=6
4*3=12
5*3=15
8*3=24
1 and 2 are right.
3) perpendicular
4) I think it is intersectjng
Answer:

Step-by-step explanation:
given,
a₂ = 495
a₆ = 311
geometric sequence formula


...................(1)

................(2)
dividing equation (2) by (1)




hence, the common ratio of the geometric sequence is 
Answer: um what grade are you in
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
5 is the amount he has he uses 1 on the salad and 3 on jam and 1+3=4
so he has 1 more cup leftover.