Answer:
B) b=13
Step-by-step explanation:
13-4x is the same as -4x+13
Answer:
Step-by-step explanation:2+2=4
Answer:
5 / 12
Step-by-step explanation:
You must have common denominators in order to add or, in this case, subtract.
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