A marine biologist wants to know the total vertical distance a dolphin traveled during a
jump. With the surface of the water being zero, it started under water at -35 feet,
jumped up and out of the water to 27 feet, and returned to the water to swim at -18
feet. What is the total vertical distance the dolphin traveled?

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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.

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal