A bus is traveling at a speed of 55 miles per hour. Which statement is correct?
The number of miles the bus travels causes a change in the number of hours.
The number of hours causes a change in the number of miles the bus travels.
The number of miles, m, is the independent variable.
The number of hours, h, is the dependent variable.

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)