Answer:
the scorce of the neww student is 72
Step-by-step explanation:
if you have a mean of 70 + 72 as the score then divide by 2 you get 71.
Answer:
The keyword in here is undefined slope
So it must be x=1
Answer:
The answer to your question is csc Ф = 
Step-by-step explanation:
Process
1.- Determine the sign
We must determine csc Ф in the forth quadrangle, here csc is negative.
2.- Determine the hypotenuse
c² = a² + b²
c² = 3² + (-4)²
c² = 9 + 16
c² = 25
c = 5
3.- Determine csc Ф
csc Ф = 
csc Ф =
= 
B. Lost 850 ft
800-450= 350
1200-350=850
I hope I helped :D