A ladder is leaning again a wall. The base of the ladder is 4 ft from the base of the wall. The angle the ladder makes with the level floor is 75. How long is the ladder?

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

The value of cos 30° is the same as which of the following?