Answer:
3 different choices
Step-by-step explanation:
This problem is a combination problem: She has 3 friends, and we want to know how many groups of 2 friends there are. We can solve this using the combination of 3 choose 2:
C(3,2) = 3!(1! * 2!) = 3*2/2 = 3 possibilities
If we call her three friends A, B and C, the groups that can be formed are:
A and B
A and C
B and C
Answer:
y = 40 + z
Step-by-step explanation:
Its arithmetic because it adds 1o each time
Because the triangles are congruent we know that NM = ST = 50.
answer: 50
1/2 is 8/16 in lowest term
