A because if he started at negative ten you would add the 10 he increased. When you add those two together you get 0.
-10+10=0
Answer: y=3x+500 and y=2x+400
Step-by-step explanation:
you are going to get the weekly salary anyways, but the percentage of sales all depends on what you are doing to make sure you are selling things.
what makes it irrational is the

which does not change from one zero to the other. so if one root its irrational the other one also is. Answer A
Solution: Let x be the height of a student in Marta's class.
The mean height of 18 students in Marta's class is 60 inches
We know that:




Therefore, the total measure of all 18 student's heights is 1080 inches
Change the numbers into improper fractions then subtract