<u><em>Answer:</em></u>
1- The constant of variation is 
2- The constant of variation is 
<u><em>Explanation:</em></u>
When two variables are in direct variation, this means that when one of them increases, the other increases and vice versa
<u>A direct variation relation is represented as follows:</u>
y = kx
where k is the constant of variation
Now, to get the constant of variation, all we have to do is substitute with the given x and y variables and solve for k
<u>For the given problems:</u>
<u>1-
</u>
<u>Therefore:</u>

<u>2-
</u>
<u>Therefore:</u>

Hope this helps :)
Answer:
angle ABC is 130 degrees
Step-by-step explanation:
This is the quickest and simplest way to gind the answer.
Angle CBD and angle ABC are linear pairs. Linear pairs are supplementary meaning angle CBD and angle ABC equal 180 degrees. Since angle CBD is 50 degrees and you know both angles need to add up to 180 degrees all you need to do is subtract 180 from 50 degrees.
Answer:
1. $18 2. 400-(36*7+24*5) 3. 15 basketballs and 6 footballs
Step-by-step explanation:
1, 2. 400-(252+120)=400-372=18
3. 135/9=15 48/8=6
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Have a nice day.