A company makes steel rods shaped like cylinders. each rod has a diameter of 4 centimeters and a height of 90 centimeters. if the company used 30,520.8 cm^2 of steel, how many rods did it make?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 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)

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$