Answer:
The general equation of the lines that are perpendicular is:

b can by any number.
Step-by-step explanation:
The equation of a line is given by:

where m is the slope and b is the intercept
The equation of a perpendicular line to the previuos one is:

That means that the slope of a perpendicular line is inverse and sign opposite to the other line.
Hence, the equation given is:

m would be:
m=1
So the perpendicular slope would be:

The general equation of the lines that are perpendicular to y=x+3 is:

b can be any number
In attached picture:
y=x+3 is the red line
y=-x+b is the blue line
Answer:
Usually if a question is unanswered for a week or more im sure Brainly deletes it.
Step-by-step explanation: it has happened to me a few times.
Answer:
Factor the numerator and denominator and cancel the common facotors which would give you 0.07843137
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