Simplify the expression. 9 5/2
a. 45.
b. 243.
c. 18.
d. 9.

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i