Pls i need i'm in grade 6 could someone

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.