I AM SO CONFUSED, PLEASE I REALLY NEED HELP! Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean μ=254 and standard deviation σ=13. Complete parts​ (a) through​ (e) below.

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

What is the value of p in the equation y^ = -4x?