For this case, you must use the given expression, taking into account that:
n = number of days.
We have then that for day 21, n = 21.
Substituting we have:
a21 = 100 + (21-1) * 4
a21 = 180
Answer:
she sprints 180 yards on day 21
42/52 is what i calculated
Answer:
It's A
Step-by-step explanation:
Answer:
yes.
Step-by-step explanation:
each x value is used once and never repeated.
I think is D but I am not sure