Answer:
See below.
Step-by-step explanation:
Statements: Reasons:
1) 
Given
2) 
Definition of Congruence
3) 
Given
4) 
Supplement Theorem
5) 
Definition of Supplementary Angles
6) 
Substitution
7) 
Definition of Supplementary
And we're done!
C=pid
d=diameter
d=4
C=4pi
tada
if you want
aprox pi=3.14
C=12.56 units
3x+1/10=x-1/7
subtract 1/10 from both sides
3x=-1/7-1/10+x
subtract x from both sides
2x=-1/7-1/10
add -1/7 and -1/0
1/7=10/70
1/10=7/70
-10/70-7/70=-17/70
2x=-17/70
divide by 2 ro multiply by 1/2
x=-17/140
The best and most correct answer among the choices provided by your question is the first choice or letter A. The<span> systems of equations can be used to calculate the number of large and small buttons sold are:
</span>
<span>x + y = 21
3x + 4y = 68</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly.
