The foci of an ellipse are located at (4,−3) and (4,7). The major axis has a length of 16 units. Which of the following is an equation of the ellipse?

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

He concluded that a heavier object dropped from the same height as a lighter object will land

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x