Find the area of a circle with radius, r = 59cm.
Give your answer rounded to 3 SF.

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Which system of linear inequalities is represented by the graph?

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.