Answer:
B) x +20 is greater than or less to 45
Step-by-step explanation:
Given a group of
n object. We want to make a selection of
k objects out of the n object. This can be done in
C(n, k) many ways, where

,
where k!=1*2*3*...(k-1)*k
Thus, we can do the selection of 3 cd's out of 5, in C(5,3) many ways,
where

Answer: 10
Step-by-step explanation:
x = 36
y = 48
z = 72
hope it helps
Answer:
the correct answer is 50 really hope this helped :)
Step-by-step explanation:
Answer:
B plz mrk brainliest
Step-by-step explanation: