Lisa is weighing combinations of children's blocks. four blue blocks and five red blocks weigh 32 ounces. one blue block and eight red blocks weigh 35 ounces. what is the combined weight of one red block and one blue block?

If you answer 2+2 you will get over 80 points

Write the expression as a single natural logarithm. 2 in a - 4 in y

Someone answer asap for ! 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.