What was the ecosystem like before hurricane katrina hit

In Ms. Perrons class, 25% of the class are boys. There are 6 boys in the class. What is the total number of students in Ms. Perrons class? Merone Company allocates materials handling cost to the company's two products using the below data:Modular Homes Prefab Barns Total expected units produced 5,400 8,400Total expected material moves 540 140 Expected direct labor-hours per unit 740 240The total materials handling cost for the year is expected to be $210,420.If the materials handling cost is allocated on the basis of material moves, the total materials handling cost allocated to the modular homes is closest to: The letters N, T, and O are arranged in a random order. What is the probability that the arrangement spells a three-letter word.Express your answer as a simplified fraction. Which of the following practices below are used to help conserve soil?Select 3 answers that apply.Look at the picture. Which blood vessels sends oxygen rich blood from the heart to the rest of the body? Im confused. my mom gave me an assignment and I don't get it. Its similies. I don't know which one fits. The answers are A cloud floats like a rock in the water.A cloud floats like a bird in the sky.A cloud floats like a leaf in the wind.A cloud floats like a cotton ball in a jar. I don't know but can you help me. why the supreme court is called the court of record Expert Help Please If AD=23 and BC=46, find EF.Geometry! What are the coordinates for point E? Don't forget parenthesis! What is The equation of a circle with radius, r= 4, and the center at (0, 0)? A square has a side of 10x. Write and simplify an expression for the perimeter of the square. Then calculate the perimeter of the square if X=12 Edgar accumulated $4,000 in credit card debt. If the interest rate is 30% per year, and he does not make any payments for 2 years, how much will he owe (in dollars) on this debt in 2 years by each method of compounding? (Simplify your answers completely. Round your answers to the nearest cent.) I did not get the right answer, please help. Earthworms help farmers. Many farmers add them to their farmland because they help form rich soil to grow crops in. Explain what type of organisms earthworms are and describe how earthworms help with the formation of soil. Laura and martin obtain a 25 year 160,000 conventional mortgage at 10.5% on a house selling for 190,000. Their monthly payment, including principal and interest, is $1510.40 Which of the following is the best definition of frequency in waves?How many waves pass a given point in 1 second. How often waves of a certain sound are used in the airThe distance from the middle of the wave to the top of the crestThe distance from the crest of 1 wave to the crest of the next For traits controlled by a single genetic locus, dominant phenotypes are expected to occur at a frequency of approximately 75%, in a randomly mating population. true or false and why The conversation of thermal energy into mechanical energy requires a Fastttt I have 2 more mins please someone answer 2Find the area of the figure shown below and choose the appropriate result.A 96mm^2B 102 mm^2C 90 mm^2D 140 mm^2