30
30% of 80 is 24 and 30% of 120 is 36 and 30 is between those numbers
Answer: O x= -1 or x = 6
Step-by-step explanation:
Answer:
The area of a sector GHJ is 
Step-by-step explanation:
step 1
we know that
The area of a circle is equal to

we have

substitute


step 2
Remember that the area of a complete circle subtends a central angle of 360 degrees
so
by proportion find the area of a sector by a central angle of 65 degrees

Use 

Answer:
the length of the longer piece of cable is 24 ft
Step-by-step explanation:
shor piece = s
Long piesce = s+9
s + s+9= 39
2s = 30
s = 15
short = 15
15 +9 = 24
long = 24
15+24 = 39