If sec theta equals negative 5/3, such that 180° < thata< 270° then determine what is tan theta ?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left