Find a rational and an irrational number between 9.5 and 9.7.

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).