Please help this is a test

x = 138°

Step-by-step explanation:

Sum of interior angles = (n-2)*180 where n = the number of interior angles.

(8-2)*180 = 6*180 = 1080°

The sum of the degrees of all interior angles is 1080°.

Solve for the remaining angle:

1080 = 151+116+135+136+164+101+139+x

x = 138°

360/29

step-by-step explanation:

yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.