Six hundred eighty thousand and ten.
Answer: 
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Work Shown:

Explanation: I replaced every x with h(x) in step 2. In step 3, I replaced h(x) with 2x+5 just on the right hand side only. From there, expand and simplify.
Answer:
1011208376
Step-by-step explanation:
(764908)(1322) = 1011208376
Answer: x = 8, -2
Step-by-step explanation:
Answer:67.1875%
Step-by-step explanation:
Convert ratio into fraction 86 / 128