Aright triangle's height is 3 times the length of its base. if the area of the triangle is 486, what is the height?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

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?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.