Answer:
Step-by-step explanation:
A straight line adds up to 180 degrees, therefore 3x+6x = 180
9x = 180
x = 20
Answer:
y=27;y=−42
Step-by-step explanation:
33−y=6;63+y=21
y=27;y=−42
I hope this helps!
Answer:
105.19.
Step-by-step explanation:
Area = 1/2 ac sin B
= 1/2 * 10 * 22 * sin 107
= 105.19..
Answer:
5.736x^4 - 2x^2 +22x - 54
Step-by-step explanation: