<span>Lines c and d must be parallel. This is because angles 10 and 14 are congruent (i.e. the magnitude of their angles is the same). Both angles share line a, which is intersected by line c (which makes up the other side of angle 10, and line d (which makes up the other side of angle 14).</span>
Answer:
Each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses
Step-by-step explanation:
Let x denotes number of boxes to be sold by each scholar to raise enough money to cover the team's travel expenses.
Number of scholars = 7
Total number of boxes 
Total number of chocolate bars 
Price of 1 chocolate bar = $2
Price of
chocolate bars 
Also,
Total amount to be raised for travel expenses = $1680
So,

Therefore,
each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses
As the number of hours spent working increases, the amount of time spent on video games decreases.
Going from left to right, we see that the points are moving down. This means that the hours working are going up and the video game hours are going down.
Answer:
The proportion of all correctly classified violins that are old is equal to the proportion of all new violins that are incorrectly classified.
Step-by-step explanation: