Temperatures in the Gobi Desert reach −30°F in the winter and 85°F in the summer. Find the range (Difference) of the temperatures. (10 points) PLEASE EXPLAIN IN WORDS HOW YOU GOT THE ANSWER

Agiven line has the equation 2x + 12y = −1. what is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the point (0, 9)? y = ( )x + 9

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)