What is the y-intercept of y = 5x - 1?

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !