Has the marrying age of a man changed over the years? the united states bureau of the census takes a formal count of everyone in the u. s. every 10 years and has provided the following data that gives the median age of an american man at the time of his first marriage.. year1910192019301940195019601970198 019902000. median age25.124.624.324.322.822.823.224.7 26.126.8. . determine a ten-year period when the average rate of change is negative. a.1910 - 1920. b.1920 - 1930. c.1940 - 1950. d. all of the above

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Which best explains why this triangle is or is not a right triangle ?