What is the equation for an arithmetic sequence with a first term of 5 and a second term of 3?

Find the sum to the equation 3+6+9+

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12