Jessica had m beads. she used 18 of them to make a necklace for her mom. then she used the rest to make k bracelets for her friends, with the same number of beads in each bracelet. how many beads did she use to make each bracelet?

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Solve: 3x+y=6 4x-2y=18 show all work !