A bottle of 2 1/4 of water how many glasses of volume 3/16 litres can it fit​

For the function, f(x) = -5x 2, find f(-4).

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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