Answer:
x exponent 4 + 6y exponent 2 - y exponent 4
Step-by-step explanation:
The laws of exponents that are often used in calculating values written in scientific notation are

, and

for example;

Answer:
The answer to this question is $14,916
Step-by-step explanation:
18,469 - 3,553 = 14916
As he already has money for the car.
A bar model is shown in the linked picture.
First, we have to find the rate:
500/50
100/10
10/1
10 cents a pitch:
129 * 10 = 1290
It will cost $12.90
Yes, in my opinion I think a bar model would be a good model for converting miles to feet. It is simple and easy to understand