Please help me asap PLEASE I CANT DO THIS

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.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?