How do you know if a number is prime

In how many ways can four people sit next to each other in a stadium row 12 24 256 48

A red car is driving along the road in the direction of the police car and is 130 feet up the road from the location of the police car.

If y varies directly as x, and y = 20 when x = 4. Find y when x = 2.

What is the weight of a rock that has a mass of 5 kilograms

Which trinomial is equivalent to 3 (x-2) ^2 - 2 (x-1)

How do you Solve 3-x=9

A. Centipedes have 2 legs per segment. They can have from 30 to 354 legs. Find a range for the number of segments a centipede can have. B. Millipedes have 4 legs per segment. The record number of legs on a millipede is 752.

A rate for $18 for three books

Take away 0 from any number tell the rule you discovered

Mike has $22 in his bank account and deposits $11.50 each week. At the same time, Tim has $218 in his account but is withdrawing $13 each week. When will the accounts have the same balance? How much money will each of them have after 12 weeks?