Mrs. Castillo built a rectangular sand box for her children. Each 50-pound bag contains approximately 0.60 cubic foot of sand,
2
9
How many bags of sand does Mrs. Castillo need to completely fill this sandbox?

A:65 bags
B:90 bags
C:108 bags
D:180 bags

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)