Four friends share 10 fruit bars equally. How many fruit bars does each friend get?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

How does percent markup and percent discount relate to percent of change?

Q= {1.7, 1.1, 1.4, 2.1, 2.3, s}. what is the absolute difference between the greatest and least possible values of the median of set q? express your answer as a decimal to the nearest hundredth.