Answer:

Step-by-step explanation:
The formula of the circumference of a circle is
.
The length of an arch can be found by using the ratio of circumference to the arc.
First, find the circumference of the circle:

Then you find the ratio:
The length of the arc is 90/360, which is 1/4, of the circumference.
Finally, find the length of the arc:
or 
I hope this helps :)
Answer:
14/15
Step-by-step explanation:
simple
3/5 + 1/3= 14/15
Answer:
6 5/6
Step-by-step explanation:
8
- 1 1/6
We need to borrow from the 8
We will borrow 1 from the 8 and make it a 7. The 1 will be written in the form 6/6
7 6/6
- 1 1/6
-----------------
6 5/6
If u add it to a grapghing calcauter
u will get as your points
(-1.2) (6.994)
Answer:
Janets earns $7.50 an hour.
Step-by-step explanation:
2 hours : 15 dollars
divide by 2
1 hour : 7.50 dollars
Hope dis helped!