What's 100,000,900x30?? my class is crazy / test if your smart.

If 1 km = 0.621 miles, how many miles are in a centimeter

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 value of tan theta if sin theta = 12/13 and theta is in quadrant 2