A glider begins its descent 3/5 mile above the ground. After 30 minutes, it is 9/20 mile above the ground. If it continues to descend at this rate, how long does the entire descent last

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points