Which one you need help on?
Answer:
$72.25
Step-by-step explanation:
85 x (1-.15) = answer
85 x .85 = 72.25
6✖35:210
➕4:214
so that is the answer
Solve the system using substitutions:

x has a value of 1. Use this value to find the value of y.

y has a value of 1.
x=1
y=1
Answer: Biased sample
Step-by-step explanation:
This is a biased sample because only students with strong opinions are likely going to volunteer or show interest in representing the school at the board meeting. This sample is a voluntary type sample, and at such the conclusion is not valid. This sample is biased because a group or population of students have a higher or lower sampling probability.