Find the center, vertices, and foci of the ellipse with equation x squared divided by 400 plus y squared divided by 625 = 1. (5 points)

center: (0, 0); vertices: (-25, 0), (25, 0); foci: (-15, 0), (15, 0)

center: (0, 0); vertices: (-25, 0), (25, 0); foci: (0, -20), (0, 20)

center: (0, 0); vertices: (0, -25), (0, 25); foci: (0, -15), (0, 15)

center: (0, 0); vertices: (0, -25), (0, 25); foci: (-20, 0), (20, 0)

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.