Answer:
the answer is 38
Step-by-step explanation:
because one of the angles is 90 and the other one is 45, so the other angle is 45 too
so.. this is an isosceles triangle
Answer:
If you mean 9 x -2 it's -18
Step-by-step explanation:

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Answer:
3(x-4)
Step-by-step explanation:
3×4=12 and 3 also goes into 3x
Answer:
6
Step-by-step explanation: