Liliana wants to start a seventh-grade computer club at hamden middle school. she surveyed 20 seventh-grade students at the town park. she asked each student how many hours they spend on their computers each week. she obtained the following results.
8, 15, 0, 11, 12, 13, 16, 13, 0, 4, 17, 14, 30, 13, 5, 12, 1, 13, 12, 21
what is the ratio of the total number of students who used their computers to the total number of students surveyed?
a. 2/18 or 1/9
b. 18/2 or 9/1
c. 2/20 or 1/10
d. 18/20 or 9/10

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

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

What is fraction that is equivalent to 3/8