Find the difference.

(3 - 13x - 7x2) - (5x2 + 12x - 10)

How many line segment's does a hexagon have?

Jazmin is training for an upcoming race at the track. On Monday, she ran 8 laps around the track, which equals 2. On Wednesday she ran 20 laps at the track. How many miles did Jazmine run on Wednesday?

A bag has four green marbles and eight red marbles. Half of the red marbles are made of glass. A marble is selected at random from the bag. What is the probability that is a red, glass marble?

Rich is driving from Philadelphia to Pittsburgh at 70 miles per hour and Michelle is driving from Pittsburgh to Philadelphia at 65 miles per hour if Philadelphia and Pittsburgh are 305 miles apart how long will it take rich and Michelle to meet

The average number of minutes that it took Jermaine to complete his homework assignments for a week in September was 27 minutes, with a mean absolute deviation of 4 minutes. With this informatiom, which statement is true? A)

Timmy is training for a triathlon. For every four minutes spends running, he spends seven minutes biking. How many minutes will Timmy run if he has spent 63 minutes biking

How many times does 0.15 go into 500?

28 is what percent of 50?

Mary has a collection of nickels and quarters for a total value of $4.90. If she has 42 coins total, how many of each kind are there?

3y to the power of 2 + 6y+2y