PLEASE HELP ME Complete the equation with a number that makes the expression on the right side of the equal sign equivalent to the expression on the left side.

5x−2.5+6x−3=–(2x−1)

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

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.