A rectangle has an area of 40 cm2. The dimensions of the rectangle are multiplied by a number to form the dimensions of a new rectangle with an area of 160 cm.
By what number were the dimensions multiplied?
The dimensions were multiplied by

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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.