Answer:
Number 1
Step-by-step explanation:
I can answer the first one! The dependent variable is the measurement. The days in the independent and always the X variable
16.) 38.25= 4.25h
divide by 4.25 on both sides
h=9
17.)214= 1/3x
divide by 1/3 on both sides
x= 642
18.)70= 2x
divide by 2 on both sides
x=35
19.)18.69= 5.25+1.68x
subtract 5.25 on both sides
13.44=1.68x
divide by 1.68 on both sides
x=8
It is <span>B) x-axis only
if i am wrong sorry
</span>
Answer:
Step 5
Step-by-step explanation:
The mistake is in step 5.
The previous step was

The order operations, PEDMAS, must be applied:
We have Addition and Division here,
Using PEDMAS, we must divide first to get:

We can now add to get:

Therefore the mistake occurred at step 5
Vertical line is a way to determine whether a functin is a function or not.