y = 0.22(12) + .99 = 3.63
A 12 minute call will cost $3.63
The answer to your question is D
Answer:
12
Step-by-step explanation:
+
= 
in this case its
+
= 
25 +
= 169 subtract 25 from both sides
= 144 take square root of each side
b = 12
Answer:

Step-by-step explanation:
In the question, we're given that the notation
produces a number
less than the product of
and
raised to the
power. Let the number produced be
. As a mathematical equation, we can write this production as 
For
, we can assign:
Substituting these values into
, we get:

Add 2 to both sides:

Take the square root of both sides:

For
, there are two cases:

Therefore, we have:

The only answer choice applicable is
.
Answer:
800,000
Step-by-step explanation:
the number that we are rounding is 90,000 which is gonna make the seven go up to 8