Answer:
True.
Step-by-step explanation:

Answer:
-323.4375
Step-by-step explanation:
Answer:
8.85
Step-by-step explanation:
The four is in the hundreths place so you round the four up because of the 8
Answer:
64.4
Step-by-step explanation:
In one of the trig formulas, it states sin <a/A = sin<b/B = sin<c/C
So we have in this case:
sin(70)/12 = sin x/14 Note: x is just a variable for the angle <ABC
14(sin70)/12 = sin x
sin^-1(14(sin70)/12) = x
x=64.4
Your welcome, and comment if you have any questions! :D