Answer:
No, this is not a right triangle.

× 2
2 =

Numerator × numerator
Denominator × denominator

×

Answer:
12546
Step-by-step explanation:
9.5% = 0.95 = 95
12,640 - 95 = 12546
(4 hundred + 0 tens + 5 ones) + (1 ten) = 4 hundred + 1 ten + 5 ones
... = 415