Simplify:

4(r + 1) + 3r
A. 4r + 4
B. 5r + 1
C. 7r + 1
D. 7r + 4

D. 7r+4

Step-by-step explanation:

4(r+1) + 3r

4r+4+3r

7r+4

7r+4

Step-by-step explanation

distribuite 4 through the parentheses --->4r+4+3r

collect like terms --> 7r+4

solution 7r+4

C. to protect themselves

D.

Explanation:When an animal closely resembles the color of its surroundings, it is known as protective coloring. The color of the animal helps the animal blend in with the environment and makes it harder for predators to see it. This protects the animal from predators.