Consider the following vectors in component form a= b= c=a-b What is the magnitude and direction angle of vector c?

|c| = 5, θ = 36.9°
|c| = 5, θ = 53.1°
|c| = 25, θ = 16.3°
|c| = 25, θ = 73.7°

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3