The height of an isosceles trapezoid is 12 cm long while the legs are 15 cm. Find the length of the shorter base if the longer base is 31 cm long.

Empty box + box + empty box fill in the box is equal to 30 how

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.