The diameter of a circle is 18 feet. It has a sector with a central angle 45. What is the area of a sector to the nearest tenth?

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Find dy/dx using implicit differentiation ln(20+e^xy)=y