Answer: he bought 6 of the .75cent then 4 of the .50c
Step-by-step explanation:
It is less than 5.2, simply because the number is negative.
Answer:
X=28
Step-by-step explanation:
3x-8=2x+20. So x=28
Answer:
i would say the first one and second one
Step-by-step explanation:
because the point is an o and an dot at the same time
Answer:

Step-by-step explanation:
.
m is the slope of the line. To find it we can do
which is the difference between the y-coordinates divided by the difference between the x-coordinates.
So:
. Now we have the slope, let's input a set of coordinates into the equation so that we can find the constant
.

- Re-arranging to get b
Now re-write the equation as we have the constants.
