Answer:
3 1/4 + 5/8 is equivalent to 3 1/4 - (-5/8)
Step-by-step explanation:
Two negatives equal a positive. So two minus signs - - would equal a plus sign +
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C. 3 to 18, 5 to 30 is equal
40%
140/350=0.4
0.4 x 100=40
1,2,3,4,6,7,12,14,21,28,42,84 are the prime factors of 84.
Therefore, the first four primes are: 1,2,3,7 so Mr. Nolans code is 1237.
