A sofa is on sale for $351, which is 35% less than the regular price. What is the regular price?​

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation

An observer(o) spots a plane(p) taking off from a local airport and flying at a 29 degree angle horizontal to her line of sight and located directly above a tower(t). the observer also notices a bird circling directly above her. if the distance from the plane(p) to the tower(t) is 6,000ft., how far is the bird(b) from the plane(p).