Find the arithmetic mean of 14 and 29.

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

An equation where variables are used to represent known values—function notation true or false

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest