Answer:
The answer is: B) Yes, this is a valid inference because it took a random sample from the neighborhood.
And apart from the random sample, 40% of families agreed with her to attend the parade at least.
Step-by-step explanation:
Let number of Adult ticket be x
and number of Child ticket be y
so
$282 = $24x + $18y.
:)
Answer:
there is hint for u in the book darling
you can refer example 4 in the same book
f(x) is concave down on an interval I if all of the tangents to the curve on I are above the graph of f(x)
