Which expression is equivalent to x^6y^8/x²y² Ox^7y^9
Ox^9y^12
Ox^12y^22
O x^16y^22

Anyone know? will mark brainliest if correct!

Which two undefined geometric terms always describe figures with no beginning or end?

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)