Billy invested $18 dollars of savings in two major business enterprises which paid interest at the rate of 3% and 6%, respectively. if his annual income for these two enterprises was equivalent to a return of 5% on the entire investment, find how much he invested at 3%.

Name the quadrilaterals that have four equal sides.

Factor the expression using gcf 9b+45

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)