Toni and Jade live on the same street as the Middle School. Toni lives 6.1 miles east of the school and Jade lives 52 miles west of the school. How far
apart do Toni and Jade live?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.