Fred buys a signed shirt for £25 and sells it for £40. what is the percentage profit? explaination ?

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Acircle has a circumference of 7.850 units. what is its radius?