Janine wants a necklace 40 beads long. She needs __ blue beads and __ black beads.
Work out how many beads of each colour you need to make necklaces to make these patterns.

Please help.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.