Answer:
d 1.67% thats the answer
Step-by-step explanation:
The probability that none of the four have been vaccinated is
(1-0.63)^4 = 0.01874161
The probability that at least one has been vaccinated is the complement of this,
≈0.9813
Answer:
its not a right angled triangle
Step-by-step explanation:
this is because it doesnt follow the rule of pytagorous theorem
The simplest way to do this is to set up equivalent fractions. So, you'd do:

=

and then solve for x.
x=52
The answer is:
-2m²+4n²-mn-2m+5n
aka letter c in algebra nation