If x = 20 when y = -4, find y when x = 10.

5. if x = 5 when , find y when x = 10.

6. if x = 2.5 when y = 100, find x when y = 50.

7. if when y = -105, find x when y = 4.

3(10x-y)-5(x-y^2) need this solved asap

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?

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a