PLEASE ANSWER FAST. I HAVE BEEN SO CONFUSED!? :(
A cone is placed inside A cylinder. The cone has half the radius of the cylinder, but the height of each figure is the same. The cone is tilted at an angle so it’s peak touches the edge of the cylinders base. What is the volume of the space remaining in the cylinder after the cone is placed inside it?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.

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?