Answer:
ok so if we look at this other one we can see that the other angle is 45
since we now all three angles we can find the other side
Side a = 4
Side x = 5.65685 = 4√2
Side c = 4
5.66
Hope This Helps!!!
Answer:

Step-by-step explanation:
We want to simplify:

We rewrite to get:

We now apply the laws of indices

We simplify to get 
We leave our final answer is scientific form.
The final answer is therefore:

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
Answer:
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