A bag has 7 red marbles 8 blue and 5 purple Rachel draws a marble from the bag without looking. What is the probability that Rachel draws a blue marble

Write the equation of the circle centered at (10,-2) with radius 2.

Emily convinced her mom to buy a giant box of her favorite cereal. her mom doesn't think the box will fit on their shelf. the volume of the box is 1000 cm^3 . the base of the box is 25 cm by 10 cm

Acollection of nickels and quarters is worth $2.85. there are 3 more nickels than quarters.how many nickels and quarters are there?