Your answer is
2(4g^2+3g-3)
(20*30)/2 = 300
300 km is the area of the triangle
The second one is a perfect square trinomial
X^2+16x+64
The cost per unit of the auto shop function is the slope of the function
87 represents the slope and the cost per tire purchased
The function is given as:

A linear function is represented as:

Where:
m represents the slope or the unit rate.
So, by comparison:

This means that 87 represents the slope and the cost per tire purchased
Read more about slopes at:
brainly.com/question/18576224
Answer:
15 of them do not wear glasses
Step-by-step explanation:
20-5=15
Hope this helps. Have a great day :)