Which of the following is used to represent a known value for the population variance?
A. s
Β. σ
C. σ²
D. s²

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

The trigonometric ratios sine and secant are reciprocals of each other

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36