Find a linear model using the mean time data points from 1992 and 2004. Which statement is the BEST interpretation of the y-intercept?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Can someone me out here and the tell me the greatest common factor

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