Here is an addition sentence. (3 + 1) + 11 = 15 choose an equivalent addition sentence that shows the associative property of addition. a. (3 + 1) + 11 = 15 b. 3 + (1 + 11) = 15 c. 15 = (3 + 1) + 11 d. 3 + 1 + 11 = 15

B.

Step-by-step explanation:

1. By definition, the associative property of addition is:

2. Therefore, if you have the following expression:

You apply  the Asociative property of addition by regrouping the numbers as following:

3. Then, you can conclude that the correct option is B.

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer

no ,sorry if you needed it but you can ask and try to see if any one will anwser ,

step-by-step explanation:

by good luck mark me as brainliest

have a nice day