Yolanda is buying supplies for school. she buys n packages of pencils at 1.40 per package and m pads of paper at 1.20 each. what does each term in the expression 1.4n+1.2m represents ? what does the entire expression represent?

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)

Given that abcd is a rhombus, what is the value of x?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?