The length of a rectangle is 3x-5 and the width is x+6. Write an expression for the perimeter of the rectangle

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

What is the absolute value of the complex number -4-sqrt2i

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9