M = (y2-y1)/(x2-x1)
= (4-14)/3-1
= -10/2
= -5
Answer:
20 mph
Step-by-step explanation:
First problem:
The new speed is 26 mph.
The old speed was x.
The new speed is 30% higher than the old speed.
1.3x = 26
x = 20
Answer: 20 mph
Second problem:
A number, perhaps a percent or a fraction, is missing from the problem.
See attached image for work.
The answer is B
the steps are these
interchange the x and y variables
x=5y-8
solve for y so we get
y = x+8
----
5
Answer:
$30.66
Step-by-step explanation:
