If a = 3 and b = 5.what is the value of a2 + b2?

16

Step-by-step explanation:

If you replace the variables with what they equal and multiply then you should get 6+10 which equals 16.

The answer I received for your equation is 16

Step-by-step explanation:

Step 1) Replace your variables with the given number and rewrite your problem:  3 * 2 + 5 * 2 = __

Step 2) Solve from left to right: 3 * 2 = 6 , 5 * 2 = 10

Step 3) Add your two answers: 6 + 10 = 16

Your final answer should be 16.

Hope I helped, Good luck in your future studies :)

-A