People tend to speak more quietly in restaurants than they do when they are having an ordinary conversation. restaurant conversation is about 45 db. if ordinary conversation is 100 times greater than restaurant conversation, how loud is ordinary conversation?

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

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b