Question

Math answer this is good answer​

Answer 1

Answer:

3 is multiplied by x and raised to the power of 2

Step-by-step explanation:

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Answer 2

Answer:

x=22.5

Step-by-step explanation:

3x+90°+x=180°

4x+90°=180°

4x=180°-90°

4x=90°

x=90/4

x=22.5

3x=3*22.5

=67.5

x=22.5