A Ferris wheel has a diameter of 56 ft. How far will a rider travel during a 5-minute ride if the wheel rotates once every 20 seconds? Use 22/7 for π. The rider will travel
ft on a 5-minute ride.

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?