Answer:

Step-by-step explanation:
Sine (-1.1) is the same as (-1.1) you just put them together and if the numbers are by each other you just add up the exponents. But if the question says this
than you subtract the exponents.
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Hope this helps. Have a blessed day :)
Answer:
4x+4
Step-by-step explanation:
7x -3x +4
Combine like terms
7x-3x = 4x
Substitute back into the expression
4x+4
Answer: 44 Crayons
Step-by-step explanation: