How do you make an array of 5/6 x 3/4 ?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

He concluded that a heavier object dropped from the same height as a lighter object will land

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?