What is the common ratio of the following geometric sequence: 90, 135/2, 405/8

A) r = 4/3

B) r = - 4/3

C) r = - 3/4

D) r = 3/4

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

The equation y= -16t^2+120 can be used to represent the fridge height above the ground where ti represents time in seconds after she threw the apple how long does it take the apple to hit the ground running your