The diagram shows a shape made from a trapezium ABCD and a semicircle with diameter DC. DC = 8 cm
The shape has area 64 cm^2
The height of the trapezium is 5 cm.

Work out the length of AB.
Give your answer correct to 1 decimal place.

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.

Number patterns 54, 18, 6, 2, 2/3, what are the next 2 terms?