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3. The difference of a number and 7 is 21. (1 point) A 21– 7 = n; n =14 B n + 7 = 21; n = 14 C n – 7 = 21; n =28 D 21 – n = 7; n = 14
answered
Feb 2, 2018
Mathematics
middle-school
2
votes
169k
views
Suppose you need to build a raft to cross a fast moving river. Describe the physical and chemical properties of the raft that would be important.
answered
Sep 16, 2017
Chemistry
middle-school
4
votes
133k
views
Choose the connective that belongs in the blank in the following sentence. Everyone appeared to be having a good time. _______, my impressions may have been wrong. A. In fact B. In other words C. Of course
answered
Sep 4, 2017
English
high-school
6
votes
213k
views
The average marathon is 42 km long. If the average person can run the marathon with an average velocity of 2.57 m/s, how long will it take to finish the race
answered
Mar 23, 2017
Physics
high-school
5
votes
167k
views
What is 5/6 divided by 7/12
answered
Dec 24, 2016
Mathematics
middle-school
4
votes
21.0k
views
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