Which of the following relationships between two variables could be described using correlation, r?

(A) Number of books read and gender of a student.
(B) Number of football games played and the position of a football player.
(C) High temperature of the day and number of zoo visitors that day.
(D) Type of beverage ordered and time of day it was ordered.
(E) Brand of cell phone and number of cell phones sold.

C) High temperature of the day and number of zoo visitors that day

Step-by-step explanation:

Correlation describes the relationship between two quantitative variables and both variables are quantitative.

answer:   rotate 270° clockwise about (7, 1) and reflect across the line x = 7

step-by-step explanation:

because i took test

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,