Answer:
4 and 1/3
Step-by-step explanation:
3 can go into 13 4 times with one left over
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Answer:
its 42
Step-by-step explanation:
315-18+81=378
Correct mean =378/9=42
Answer:
Step-by-step explanation:
+(+) Two like signs become a positive sign 3+(+2) = 3 + 2 = 5
−(−) 6−(−3) = 6 + 3 = 9
+(−) Two unlike signs become a negative sign 7+(−2) = 7 − 2 = 5
−(+) 8−(+2) = 8 − 2 = 6