Answer:
486
Step-by-step explanation:
1,985 + 12,000 + x = 14,471
x = 14471 - 12000 - 1985
x = 486
Answer:
7
Step-by-step explanation:
sqrt(49)
What number times itself = 49
7*7 = 49
and
-7*-7 = 49
Given the choices choose 7
Answer:
t:

meaning any number can substitute t and it would be the same answer.
Answer:
"The mean is the average of the numbers: a calculated "central" value of a set of numbers. To calculate it: add up all the numbers, then divide by how many numbers there are." -- Math is Fun