Si la recta x=25/4 es una de las directrices de elipse y (4; 0) es un foco asociado. determina la ecuacion de la elipse

Can someone me i’m confused. will give brainliest and a whole bunch of points

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.