a is SSS, c is SAS and d is ASA, all good congruent triangle theorems.
b is AAA, good to show similar triangles, not necessarily congruent triangles.
Answer: b
Answer:
48 socks
Step-by-step explanation:
The opportunity cost in this case will be the amount Jack would have been able to purchase if he did not purchase the 6 pairs of shoes.
So narrow you focus on shoes. what amount will jack buy if he did not purchase the 6 pairs of shoes? It will be; 6/9 of the budget he spends on shoes.
6/9= 2/3
The opportunity cost will be the number of socks he cannot buy .This is
2/3 of 72 socks
=
Move 1 to the other side, making it negative
-1+106=7n
105=7n
divide both sides by 7
n=15
A gamma ray has a 0 charge