Harry's assumption is wrong. He can buy single batteries for 40p each in shop A and for 45p each in shop B.
(b) Does this affect which of these two shops Harry should buy the batteries from?
Give a reason for your answer.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Select all of the following expressions that are equal to 2.5.