Answer:
its a
Step-by-step explanation:
Answer:
Step-by-step explanation:
Alright, lets get started.
Using sin Law,

Plugging the value of a, b and angle A




taking sin inverse on both sides

The may be another value of B that will called B' = 
We will not consider this B' value because the um of angle B' and A will exceeds 180 degree (
)
Thats why only one triangle is possible. : Answer
Hope it will help :)
Answer:
$135
Step-by-step explanation:
Paperback=$4.75
Hardcover=$11.50
Multiply 4.75 and 20=95
Multiply 11.50 and 20=230
Subtract 230 and 95=135
so it would be $135
Answer:
Step-by-step explanation:
I think you use the V=1/3Bh but make sure you find the base
B=pi r^2
i dont know much but see if it would help
I believe the X and Y values should both become positive. Hope that helps :)