On top of a hill, a rocket is launched from a distance 80 feet above a lake. the rocket will fall into the lake after its engine burns out. the rocket's height, h, in feet above the surface of the lake, is given by the equation, h = -16t 2 + 64t + 80, where t is time in seconds. the maximum height of the rocket is
a0 feet.

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

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

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).