Plz im ! a tree casts a shadow 12 feet long. a 5 ft pole is placed perpendicular to the ground. the length of the pole's shadow is 4 feet. how tall is the tree? a) 1 2/3 ft b) 9.6 ft c) 15 ft d) 16 ft

When lulu enlarged her drawing of a rabbit, the enlarged picture appeared to be distorted. which statement about the transformation applied to her drawing is true?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

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