Answer:
Can u take another picture so I can see the data?
So the equation would be 4x+x=30. So since they have the same variable, x and 4x, you add them together to get 5x=30. Then you divide by both sides and get x=6. So there are 6 spaniels.
Answer:
R=42
Step-by-step explanation:
hoped this helps :D
Answer:
19.741
Step-by-step explanation:
Answer:
5x^3 - 4x + 1
Step-by-step explanation:
To add the polynomials, combine like terms which ha the same variable and exponent.

2x^3 + 3x^3 = 5x^3
4x - 8x = -4x
-6 + 7 = 1
So it adds to 5x^3 - 4x + 1