If a marble rotates 180 degrees in 9 seconds, how many does it rotate in 18 seconds.

True or false? An airplane is flying west at 200 km/h. Two hours later, it is flying west at 300 km/h. Its average acceleration is 100 km/h2.

What is the ratio of 3 eggs for every 2 cups of sugar

A person plans to invest a total of $3500 in one bank account at 2.6% annual interest and another bank account at 15% annual interest. How much should he invest in each account so that the total interest in one year will be $153.

Find a number that is 4 more that is 4 more than 6 plus 4

What is the constant proportionality of y=72 and x=3

Remember that you can multiply by the reciprocal of the divisor when you divide by a fraction. find each quotient. simplify if possible 1. 1/3:2 2. 1/7:7 3. 1/2:8 4. 1/8:2

Draw a area model to solve the following. Find the value of the following expression. 30 * 60

15 nickels are stacked vertically how many inches tall is the stack

Isabelle desperately wants an I-Pod Touch. After researching on-line she discovers the l-Pod she wants is $300. After begging her parents to buy the l-Pod for her, they make a deal with Isabelle.

A bag contains 1 red, 2 yellow, 3 white, and 3 pink jelly beans. If one jelly bean is drawn find p (yellow)