Answer:
see the explanation
Step-by-step explanation:
Let
n ----> the number
we have

so
The statement that represent the given algebraic expression could be : the sum of a number and one
Answer:

Step-by-step explanation:
Given a basket, the probability of a ball to end there is
(because there are m baskets).
Then, the probability of a ball to end in other basket is
.
Finally, the probability of the basket to remain empty after n throws is

This last is because, given n independets events with probability p, the probability for all of them to happen is
. In this case 
Answer:
-10
Step-by-step explanation:
3-13=-10
A = nuts of $2/lb
B = nuts of $7/lb
let's say we'll mix "x" lbs of B to get a mixture with A of "y" lbs, therefore

The answer is 54 because you add them