Answer: B Or A
Step-by-step explanation:
For a:
(2400*2*PI)/60(seconds) = 80 PI RAD/Sec
For b:
arc length s= radius r * central angle(in radians)
= ((80*pi*7.5)/(2*pi)
=25
Answer:
10 hr
Step-by-step explanation:
i divided 990 by 90 and got 10 hr
So -5x=-50
multiply both sides by -1
5x=50
divide by 5
x=10
check
-5 times 10=-50
-50=-50
check
Answer:
1
Step-by-step explanation:
Its number one becuase when u multiply 1x1 you get one.