Câu 1. Cho hình chóp đều S. ABC tâm đáy là O. Tính thể tích của hình chóp biết: a. Tam giác ABC có cạnh bằng a, SO = 2a.
b. Tam giác ABC có cạnh bằng 2a, góc giữa cạnh bên và cạnh đáy bằng
0
30 .
c. Tam giác ABC có cạnh bằng 2, góc giữa mặt bên và mặt đáy bằng
0
60 .

What is not true about kl and mn? what is mn? (show your work)

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes