Marianne, arlene, tyler, and i worked together to complete a group project. marianne completed 1/5 marianne, arlene, tyler, and i worked together to complete a group project. marianne completed 3/10of the project. tyler and i finished the project and each did the same amount of work. what fraction of the project did i complete? a. 1/5 b. 1/10 c. 1/2 d. 1/4

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

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

Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?