Answer:
b=30
Step-by-step explanation:
The angle here is a right angle which is an angle that equals 90 degrees. You subtract that measure of the angle by 60 and you end up with 30.
The answer is 1 and 3
Point D and It is equivalent to 75%
2(3a-2b+c)=2(3a)-2(2b)+2(c)=6a-4b+2c
Hope this helped ur urgency
