Answer:
C.
Step-by-step explanation:
You are multiplying $7 by c calculators.
Answer:
45
Step-by-step explanation:
The order in which the items are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

How many possible subsets of 2 items can be chosen from this lot?
Combinations of 2 from a set of 10. So

Answer:
I think 2+2=4
Step-by-step explanation:
20+2=22 tho
28(8) = 224
224(5) = 1,120
1,120(50) = 56,000
Answer: 56,000
A tad more than 29 years, but that depends on the number of times it is being compounded