The area of the trapezium is 814 sq. cm and the lengths of the parallel sides are 17 cm and 20 cm. Find the height of the trapezium.​

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

Astocks price gained 3% in april and 5% in may and then lost 4% in june and 1% in july during which month did the stocks price change the most

Can anyone explain to me how to do this? anything will .