ASK YOUR TEACHER A 146-foot antenna is on top of a tall building. From a point on the ground, the angle of elevation to the top of the antenna is 30.5°, while the angle of elevation to the bottom of the antenna from the same point is 22.5°. How tall is the building? (Round your answer to the nearest whole number.)

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Me d is also an option but i couldn't get it in the picture

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5