Myrna is buying a new rug for her living room. It is split into 3 panels, as shown in the diagram. What is the area of the rug, in square feet? 5 ft 8 ft 3 ft 6 ft 6 ft

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =