Answer:

Step-by-step explanation:
To solve this problem, first you have to use add & subtract integers from left to right. Additive inverse is a opposite of a number. Additive inverse are the same distance from zero. The absolute value are the same.
First, add & subtract numbers from left to right.

Therefore, the correct is -3.
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Answer:
0.75 cents
Step-by-step explanation:
quarter is 25 cents and nickels are 5 cents so add 25+25+25=75
Answer:
B
Step-by-step explanation:
because in the periodic table nitrogen is 7, and oxygen is 16
Answer:
n=8
Step-by-step explanation:
3n-5=19
3n=19+5
3n=24
n=24/3
n=8
Answer:
answer is b
Step-by-step explanation: