Answer:
960
Step-by-step explanation:
50+30= 80
80x12=960
Answer:C
Step-by-step explanation:
180-(60+40)=80°
C=80°
20/sin80. =a/sin40
a=(20sin40)÷sin80
=13.1
Answer:
the common factor is: X - 4.
Step-by-step explanation:
( x-4 ) is what the numerator and the denominator have in common.