Asolar cooker is fashioned in the shape of a paraboloid of revolution. if it has a diameter of 1.00 meter and is 0.75 meters deep, what is the focal length (i. e. distance from vertex to the focus) of the cooker?

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have