Solve for r 12-1/3r=2r+1

How could you describe to someone what an exponent is?

A bucket contains 50 lottery balls numbered 1-50. One is drawn at random. What is the probability that it is a multiple of 6 given that it is a 2-digit number?

Misty took a multiple choice test in science that had 50 questions. If the relationship between the number she got correct and the number she got incorrect is 7:3, and she got 9 incorrect, how many did she get correct?

The local readers' club has a set of 49 hardback books and a set of 21 paperbacks. each set can be divided equally among the club members. what is the greatest possible number of club members?14 21 147 7

What are the factors of - 72 that add up to - 15

The velocity of a ball is thrown up is 20 meters/second. It attains zero velocity after 3.5 seconds. What is the average acceleration of the ball during its upward flight?

There are 161 calories in 28 grams you eat 9 cashews totaling 12 grams. How many cashews are in one serving

A number line showing which is longer 4/6 yards or 5/7 yards

There are 442 boy students in class b. if 15% of the students are girls, find the total number of students in class b

PQ=3x+14 and QR = 7x-10: Find x