Ascientist has two solutions, which she has labeled solution a and solution b. each contains salt. she knows that solution a is 55% salt and solution b 80% is salt. she wants to obtain 110 ounces of a mixture that is 75% salt. how many ounces of each solution should she use?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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.

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?