What is the slope of the line​

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

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Which of the following are accepted without proof in a logical system? check all that apply.