Of the 15-year-olds at a karate school, 5 have black belts and 9 have brown belts. Among the 16-year-olds, 13 have black belts and 19 have brown belts. Which age group has a lower ratio of black belts to brown belts?

On a dell river, a boat will pass the Colby drawbridge and then the wave drawbridge opening times. There are 60 minutes in a hour so use 60 as a common denominator. Then rename each opening time using another common denominator.

Round this number 2.87 nearest tenth

What is an integer of 22,8,7,2,-11 from greatest to least

Jeremy loves snowboarding. His favorite stunt is catching big air and jumping off the ramp while holding on to the snowboard. Jeremy did this 20 times and recorded the heights (in meters) he achieved in each attempt.

You weld three metal strips together that are 5.65 cm, 6.70 cm and 4.32 cm How long will the metal strip be now?

Jerry is filling a water tank which initially consists of 75 gallons of water. As the water is being pumped in, the water in the tank increases by 2.5 gallons every minute.

Tickets to the senior class play cost $7. Production expenses for costumes and sets are $350. The profit (p) will depend on the number of tickets sold (n).

If you can buy 1/2 of a gallon of milk for $3 how many gallons can you buy for $5 write your answer as a fraction of a gallon

If 8 pounds of grass seed are divided equally into five piles, what is the weight of one of these piles? A) 5/8 pound B) 8/5 pounds C) 5 1/8 pounds D) 8 1/5 pounds

The transitive property holds for similar figures. true false.