Ateacher had 18 red pens. if the ratio of red pens to blue pens she owned was 3: 5 how many pens did she have total?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

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.

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "