Ascientist is mixing a chemical solution for an experiment. the solution contains 3/8 ounce of a chemical and 1/6 ounce saline solution. what is the unit rate of chemical to saline solution?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?