Answer:
A:1
Step by step explanations:
C(n,r)=C(5,5)
n=5
r=5
=n! / (r!(n-r)!)
=5! / (5!(5-5)!)
=1
AnswerR
13
Step-by-step explanation:
Answer:
9x -45
Step-by-step explanation:
The distributive property tells you the factor outside parentheses applies to each of the terms inside parentheses:
-9(-x +5) = (-9)(-x) +(-9)(5)
= 9x -45
Answer:
3/4 students (75/100)
Step-by-step explanation:
in total there are 100 students. 75 of them either like sports or works.
Just subtract the following number from the preceding one.
48- 3= 45
3- 45= -42.