Amodel rocket is launched from the ground. the graph at the right shows the height of the rocket at various times. a. find the rates of change between points a and b and between points b and c. b. which rate of change is greater? what does this tell you about the motion of the rocket?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]