1. A train has 20 carriages, and each carriage seats 8. When the train is full, it holds z people. 2. A room is x metres long and y metres wide. If the length were halved, the perimeter of the floor of the room would be p metres.
3. p new pench + s pounds = x pounds

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.