First find out the total cost for the year:
12000+7500+500+250=$20250
Now we can find the amount Lonnie needs to pay/earn after her parent's contributions:
20250-15000=$5250
Lonnie will need to earn/borrow $5250
Theorem: If two chords intersect within a circle, then the product of the lengths of the segments (parts) of one chord is equal to the product of the lengths of the segments of the other chord.
This means that

If PA=PB, then subtituting PA instead of PB in previous equality you get

Answer: true.
Answer:
91.5
Step-by-step explanation:
I did the math. Add up all the numbers and then, divide the result by two to get 91.5
Answer:
15+7=22
Step-by-step explanation:
Set up the equations.