Aladder that is 21 feet long is propped against a building. The bottom of the ladder was placed 4 feet from the base of the
building. How high up on the building does the ladder reach? Round the answer to the nearest tenth of a foot.
41 feet
17.0 feet
20.6 feet
21.4 feet
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Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before