A) in how many ways can the rooms in a dorm be filled if there are 18 students applying for 4 available rooms (rooms provide similar conditions)? b) in how many ways can 2 students be selected from a group of 12 students for the positions of president, vice-president and a secretary?

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?