A parallelogram-shaped window is divided into two sections by a rectangular piece of wood. Find the total area of the glass surface. top is 4 inches side is 16 inches and bottom is 22 inches

The total area of the glass surface is
square inches.

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

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