your answer would be the last answer choice
150 + 15x = 400
(-150) 150 + 15x = 400 (-150)
15x = 250
(/15) 15x = 250 (/15)
x = 16.67
So Chia can invite 16 people
Answer:

Step-by-step explanation:
We want to solve for b² in

Combine terms containing b²

Factor b² to get:

Divide by a² -2b²

Answer:
The mode is twelve.
Step-by-step explanation:
The mode of a data set is the number that appears the most often. I've added an attachment so that you might be able to see some examples.
-1 is the Y intercept for the graph