You start from the number 1. you can repeat the following operation as many times as you want: multiply your number by two then rearrange the digits of the product in any order (but you cannot put 0 in the leftmost position). can you get 811 after a few operations? note :: by a "few", i mean eventually.

Solve 2x+y=3 x+y=5 in substitution method

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?