PLS HELP I WILL MARK BRAINLEAST! The fire department is having a BBQ fundraiser. The hot dogs costs $1.50 each and cans of
soda cost $0.75 each. The department uses the algebraic expression 1.50x +0.75y to calculate
customers' total expenses.

a. What does the x variable represent?

b. What does the y variable represent?

c. A family buys 7 hot dogs and 4 sodas. What are their total expenses?

How do you convert 1.27 to a percentage

The only way to identify an intercept is as an ordered pair. true false

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.