What is the slope of a line perpendicular to the line whose equation is x+2y=-16x+2y=−16. Fully reduce your answer.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Write the equation in general quadratic form: plz !

If jklm is a trapezoid, which statements must be true?