Answer:
mean = 52
Step-by-step explanation:
Just add all four together and divide by 4. That's the mean.
Sum (49 + 43 + 53 + 63) = 208
Mean = 208 /4 = 52
Answer:
23
Step-by-step explanation:
To find the Greatest Common Factor, or GCF, we need to factor the first 2 numbers and then find the greatest number that is both present in the prime factorization of both numbers.
253 = 1 * 11 * 23
345 = 3 * 5 * 23
Since 23 is both present in both numbers and is the greatest, the GCF of 253 and 345 is 23.
Answer:
17.
Step-by-step explanation:
6^2 - 19
= 36 - 19
= 17.
Answer:12
Step-by-step explanation:
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