See attached question

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50