What is the answer to (2×+9)

So the right answer is 18

Please see the attached picture for full solution

Hope it helps

Good luck on your assignment

11x

Step-by-step explanation:

1). Rewrite the problem:

2x (+9)

2. Multiply

9 x 2 = 18

3). 18

hope this helped!

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180