<h3>Solution and Explanation:</h3>
If
and
are directly proportional, then they must have a common scalar.
To find
we must first find its scalar. If we let
be the scalar we can form the equation,
.
We are given the information that if
then
. We can use that in finding the scalar.

Now we can solve for
when
knowing that our scalar is
.

<h3>Answer:</h3>
when 
Answer:
<h2>1,265.19 is 181% of 699</h2>
Step-by-step explanation:
Calculate the ratio of 1265.19 and 699, then convert it to a percent (multiply by 100%):

Answer:
56.7%
Step-by-step explanation:
First determine the number of girls
30-13 = 17
The fraction of girls is 17/30
Changing this to a decimal is
.566666666
Changing to a percent
56.666666%
To one decimal place
56.7%
Answer:
D.
Step-by-step explanation:
A function is when each x-value has only 1 y-value.
A: When x = 5, there are two values for y.
B: When x = -3, there are two values for y.
C: When x = -4, there are two y-values.
D: Each x-value has exactly one y-value.
So, your answer should be D.
Hope this helps!