I Need help!! (1) 7 times 8 + 5 to the power of 2) + 5
2) (56-6) + 5+6 to the power of 2)
3) (46 - 42 to the power of 2) + (13-3)
4) (66-6)+2+7 to the power of 2)
5) (10+4 to the power of two) + ( 8 + 4)

pls show work

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

the answer is 489

step-by-step explanation:

move it to the other side

step-by-step explanation: