(09.04 LC)
For the equation y = 6x2 - 9x + 22, choose the correct application of the quadratic formula.
(5 points)
9+1(-9)2 - 4(6)(22)
2(6)
X=
61/62-4(-9)(22)
21-9)
x=
61/6)- 4(-9)(22)
2(-9)
X=
_91/(-9)2 - 4(6)(22)
2(6)

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122