Which scale factors produce an expansion under a dilation of the original image?

select each correct answer.

0.3

0.75

2

3

In a school 2/3 of the students study a language of those who study a language 2/5 study french

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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