Name two things to consider when you are planning how to select a random sample.

The bike store marks up the wholesale cost of all the bikes they sell by 30% and andre wants to buy a bike that has a price tag of 125 what was the wholesale cost of the bike

What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me