Mathew earns $15 per hour babysitting. At his last babysitting job, he received a tip of $45 . How many hours must he work in order to save at least $1600 ? Round your answer to the nearest whole number.

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re