Using a compass, jane draws a circle on her paper with a radius of 2.5 inches. what is the area of the circle?
a) 15.7 in2
b) 19.625 in2
c) 24.649 in2
d) 61.6225 in2

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

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Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?