Which of the following functions best describes this graph? will make if right
a. y = (x + 5)(x - 3)
b. y = x +7x + 10
c. y = x2 +5x+12 d. y = (x + 2)(x - 5)

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Given that abcd is a rhombus, what is the value of x?

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22