Answer:

Step-by-step explanation:
1. Combine like terms
2y-7y = -5y
-5y=5
2. Divide by -5 and the answer is 
Answer:
Hope it helps.
Step-by-step explanation:
An arc of a circle is a "portion" of the circumference of the circle. The length of an arc is simply the length of its "portion" of the circumference. The circumference itself can be considered a full circle arc length. ... the angle subtends, s, divided by the radius of the circle, r.
Answer:
3
Step-by-step explanation:
x 1,2,3,4
y-3,-5,-7,-9

Answer:
i have no ideaaaaaaaa
Step-by-step explanation:
ssssorrrrrrrrrrryyyyyyy