Of the 15-year-olds at a karate school, 6 have black belts and 20 have brown belts. Among the 16-year-olds, 5 have black belts and 9 have brown belts. Which age group has a higher ratio of black belts to brown belts?

9x^3 + 45x^2 - 4x - 20; x+5 synthetic division

What is 1/6 in decimals

Solve using elimination 2x+2y=8 3x+2y=12

A class of 196 sgudents went on a field trip they took 7 vehicles some cars some buses find the number of cars nd buses they took each car held 5 students and each bus held 45 students

Multiply (x - 4) (2x + 3) using the foil method show the foil method products

If you ungroup 5,000 from 2,896 how do you explain the place value of 49910 to 5,000

About 38% of people who get their eyes examined are found to be farsighted (unable to see objects close-up). What is the probability of an ophthalmologist examining six people until he finds the first patient who is farsighted? (0.62) 5 (0.38) 1 (0.

Heather is riding her bicycle. she takes 3 hours to ride 37.5 kilometers. what is her speed?

19. Two of the most dangerous animals in the enchanted forest are snakes and bears. The population of bears began with 100 bears in the year 2000 and increases at a rate of 4 bears per year.

A construction crew has just built a new road. It took them 4 weeks to build 5.12 kilometers of road. At what rate did they build the road?