The cost of hiring a hall for a party can be worked out using this formula.

cost= £5.50 x number of people + £50

how much would it cost to hire the hall for 20 people?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project