Answer:
m = 7h + 10
Step-by-step explanation:
Since m is representing the total amount of money he earned, we will leave that on one side. If h is the number of hours we worked, the coefficient of h is 7 because he earns 7 dollars an hour. The ten dollar tip is independent from the variables.
For the first one,
x = 10.
For the second one,
x = 12
Coplanar means that points lie in the same plane. Since A, E, and D all lie on the back wall, they are coplanar.
