1.A company charges an extra 5% for customers using their credit card. Sally buys a dress for £24. If Sally uses her credit card, how much will she be charged in total? 2.Tom uses the same type of credit card as Sally. Tom uses his credit card and is charged £84, how much was the item that he bought?

3.calculate 2/3-(1/2)^2 + 1/9

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In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%