I need this answer really fast. A model rocket is launched from a podium 5 meters above the ground. The rocket height is modeled by h(t)= -4.9t+98t+5
a. When will the rocket land on the ground?
b. what is the extraneous solution?

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?