Which measure of central tendency best describes the data? 10, 14, 15, 15, 14, 13, 18, 13, 14

mean only

median only

either mean or median please answer now fast

Consider the function f(x)=-5x+3 what is f(-2)

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth