What is the value of the unknown number in the verbal description? 5 times the sum of 12 and a number is 80

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

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