Answer: 3ln4 + 3lna
Step-by-step explanation:

On Friday, Beth will most likely do 39 sit ups. Every day she is doing an extra 6 sit ups.... Thursday would be 33 sit ups and Friday would be 39 sit ups.
Answer:
15%
Step-by-step explanation:
60/400 = 15/100 (I divided the numerator and denominator by 4 get the denominator 100, so we can find the percentage easily).
15/100 = 15%
Answer:
x=4,y=5/2 or (4,5/2) depending on the type of answer you need .
Step-by-step explanation:
Distance formula sqrt((x2-x1)^2 + (y2-y1)^2))
Sqrt((4-2)^2+(-7+3)^2)
Sqrt(2^2+4^2)
Sqrt(4+16)
Sqrt(20)
2sqrt5.
The second choice is the correct answer.