Supposed Aven drops ball off the top of 10 foot pool slide, and the ball follows the projectile h(t) = - 16t ^ 2 + 6 where t is the time in seconds, and h is the height of the ballHer friend Riley needs to catch the ball between 2 feet and feet off the top of the water. Between what two times should Riley to catch the ball?

I’m stuck on this equation, anyone got the answer?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236