What is the value of the x-coordinate of point A? A) sin(pi/6)
B)cos(pi/6)
C)sin(pi/3)
D)cos(pi/3)
E)sin(2pi/3)
F)cos(2pi/3)

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

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