(a) If you take the bus each morning and evening for a week, what is your total expected waiting time? (Assume a week includes only Monday through Friday.) [Hint: Define rv's x,,..., X40 and use a rule of expected value.] min (b) What is the variance of your total waiting time? (Round your answer to two decimal places.) min?

Q: (c) 1+(-3)+(-3)² + (-3)³ + (-3)* + ..

A:

Q: |-45 + 12| + (-36) + |8 + (-15)|

A: The expression is given by,

Q: There's no -x+1/y-3 in the answers

A:

Q: 2(x+3)-3(x+4)=-x+18

A: Solve and find solution:

Q: of

A:

Q: why 1+1= 2?

A: To Prove: Why 1 + 1 = 2

Q: |4x +7| -6 = 18

A: Given that,        4x+7-6=18

Q: b. (w4x-5)(w2x-4)

A: Step 1: Step 2: Step 3: Step 4:

Q: -2 (x - 8) + 4x = -12

A: Answer is-  -14.

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.