If d is the standard deviation x, y, and z, what is the standard deviation of x + 5, y + 5, z + 5?

A. d

B. 3d

C. 15d

D. d + 5

E. d + 15

Solve systems of 2 linear equations by using the linear combination method 4). - 15x-2y=-31 4x+6y=11 5). 7x+2y=-3 - 14x-4y=6 6). - 5x+2y=-10

Which of these nonterminating decimals can be converted into a rational number? A. 0.874387438743 ... B. 0.0000100020003 ... C. 5.891420975 ... D. 10.07401259 ...

If a linear equation is written in the form, y=1/2x-2, which method could be used to graph the line represented by the equation?

Suppose rebecca needs a dog sitter so that she can travel to her sister's wedding. rebecca values dog sitting for the weekend at $200. susan is willing to dog sit for rebecca so long as she receives at least $175.

Is 8 a solution to 3x + 9 = 13?

What is 75% of 420 minutes?

A student club has 15 members. How many ways can a committee of 6 members be chosen? A. 504 B. 720 C. 5,005 D. 3,603,600

Round 188.84 to the nearest tenth

How do you do two step inequalities

4. A textbook has 428 pages numbered in order starting with 1. You flip to a random page in the book in a way that it is equally likely to stop at any of the pages. a. What is the sample space for this experiment? b.