The pie chart shows information about pupils in KS3 at a school. Year 9
Year 7
Year 8
Altogether, there are 200 pupils in KS3.
a)
b)
How many pupils are in year 7?
How many pupils are in year 9?

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

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on

21 type the correct answer in each box. if necessary, round your answers to the nearest hundredth the vertices of abc are a(2,8), b(16, 2), and c(6,2). the perimeter of abc is units, and its area is square units