The first day, Brian saw 31 birds and twice as many squirrels as birds. The
second day, Brian saw 20 birds and 42 squirrels. Which of the following is a
good estimation of how many birds and squirrels Brian saw in the two days?
A. 110 birds and squirrels
B. 150 birds and squirrels
C. 190 birds and squirrels
D. 230 birds and squirrels
E 270 birds and squirrels

Now 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.

Describe how you can act financially responsible.

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?