The zero property of multiplication
Answer: 
Step-by-step explanation:
Given
The cost of paint is 
Nikki need
gallons of paint
So, the cost of the paint is the product of the rate and volume of paint
Put the values

Given:
Fixed salary = $1400
Additional salary = $500 each time he sells a car.
To find:
The equation for the situation and how much money he will make if he sells 7 cars.
Solution:
Let y be the total salary of the salesman after selling x cars.
He will earn an extra $500 each time he sells a car. So, extra money earned by him after selling x cars is 500x.
Total salary = Fixed salary + Additional salary

Substituting
, we get



Therefore, the required equation for the given situation is
and the salesman will earn $4900 if he sells 7 cars.
Answer:
3/4
Step-by-step explanation:
the bone and the steak weigh = 1 5/8 pounds
The bone weighs 7/8
The meat weighs = 15/8 - 7/8
Converting 1 5/8 to an improper fraction gives 13/8
13/8 - 7/8 = 6/8 = 3/4
Answer:
4
the fourth expression is a rational