Answer:

Step-by-step explanation:
we are given

Let's assume angle as theta

so, we get

now, we can use unit circle and find theta
and we get

So, solution is

C! All you have to do is substitute the numbers into the problem!
Answer:
15 because 3 x 5 equals 15
Step-by-step explanation:
9514 1404 393
Answer:
3.8 miles
Step-by-step explanation:
Lillian wants her mileage total to be ...
12 +3x = 23.4 . . . . an equation that can be used to find x
4 + x = 7.8 . . . divide by 3
x = 3.8 . . . . . . subtract 4
Lillian would have to ride an average of 3.8 miles each day to reach her goal.