The graph shows the amounts customers pay for x pounds of cheese at a deli counter. Customers pay a certain price per pound up to exactly 5 pounds. If a customer buys more than 5 pounds, then the price per pound for the entire purchase is discounted. Complete the following:

A piecewise-defined function for the graph is

f(x)= _,0 < x <_ _
_, x > _

How many solutions does the nonlinear system of equations graphed below have?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?