Answer:
both plans cost the same when 50 texts are sent. you answered correctly
Step-by-step explanation:
Answer:

<h3>11√2 is the right answer.</h3>
Answer:
B
Step-by-step explanation:
the correct answer is b
Presumably, whatever is drawn from Urn I is independent of what is drawn from Urn II. This means

We have


so the probability of drawing red balls from both urns is 
Substitute 1 for x in each of your equations.
f(x)=7-3x
which is
f(1)=7-3(1)
=3
Do the same for g(x)
g(x)=3x-7
which is
g(1)=3(1)-7
=-4
Then subtract g(x) from f(x):
3-(-4)
=7
:)