You are competing in a mountain bike race. Your average speed is 10 mi/h. If the racecourse is 65 miles long, how many minutes will it take you to finish the race?
When we add 55 to a number x and divide the total by 4 the result is three times the original number. Find x.
Solve using the elimination method
7x + 4y = 17
3x - 2y = -15
using the elimination method.
Dennis is 10 years older than Toby, and Cindy is 5 years younger than Toby. If the sum of their ages is 50, How old is Toby? How old is Cindy? How old is Dennis?
What are points on the graph that represent zeros of the function?
f(x) = (x² + 2x − 8) (x − 6)