For each sequence, write an explicit formula. a) 1, -10, 100, -1000, 10,000

b) 10.2, 2.2, -5.8, -13.8, -21.8

Let r = 3. what is the value of r + 58?

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Can someone me out here and the tell me the greatest common factor