The function p(x) = 0.9x - 100 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. find p(700), the profit the vendor makes from selling 700 pretzels.

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

What is the value of f(x) = 2.2 for f(-2)?

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)