Determine which situation involves one variable data and which involves two variable data:

Sanjay collects information about the amount of snowfall in the past 10 winters and the amount of rainfall in the past 10 summers to see if there is a correlation
Hussein collects information regarding the number of gold metals the school track and field team has won over the past 15 years

What is the solution of sqrt x+2-15=-3

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.