I need HELP ASAP
Mary has a fish tank with a length of 50cm, a width of 28cm and a height of 30cm. Water has evaporated from the tank and and she needs to fill it back up. Answer the following questions regarding this fish tank. What is the volume of the fish tank that currently has no water in it? What is the volume of the fish tank that currently has water in it? What is the total volume of the fish tank

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

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.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?