A store buys items at a wholesale price of $45 each. If the store marks up the price, and no discounts are given, which could be possible retail price? Check all that apply.

How to do this , and can some one explain

What is the perimeter of a rectangle if the length is 5 and the width is x?

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample