7-12 is like a negative number so it will be -5. And 13-18 would be -5 also.
Answer:
Option A. 
Step-by-step explanation:
we know that
The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite.

substitute the values


Starting point: (0, 2) and can go to (1, 6).
This shows the slope and y-intercept. Hope this helps.
Answer:
(x+20) explains the elena walked 20 minutes more than Lin
Step-by-step explanation:
(x+20) explains the elena walked 20 minutes more than Lin
As given in the question that elena walked 20minutes more than lin means if elena walked x then lin walked (x+20) and also jada walked twice as long as elena means 2(x+20) and according to question jada walked 90 minutes means 2(x +20) = 90
Answer:
1 : 3.
Step-by-step explanation:
15 : 45
Divide both numbers by 15 , we get:
1 : 3.