A vertex can be the max or min. The vertex is the highest point or lowest point of a function.
Answer: D
Step-by-step explanation: 20,20
They are equal its just rounded up to one decimal place
Use a proportion.
2 adults to 18 students is as x adults to 99 students.
2/18 = x/99
18x = 2 * 99
18x = 198
x = 11
Answer: 11 adults
