3.
the total cost of building a brick pathway outside of a school involves the
d the cost of labor. the length of the pathway is p meters, and the width of
the pathway is 2 meters.
if the expression 30(2p) + 250 gives the total cost of the brick pathway, what does
the 30 represent?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups