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Simplify (3n – 2m)2 = ? A. 9n2 – 12mn – 4m2 B. 9n2 – 12mn + 4m2 C. 9n2 + 12mn + 4m2 D. 6n2 – 12mn – 4m2
answered
Oct 12, 2018
Mathematics
high-school
7
votes
230k
views
Prove the Converse of the Pythagorean Theorem using similar triangles. The Converse of the Pythagorean Theorem states that when the sum of the squares of the lengths of the legs of the triangle equals
answered
Aug 8, 2018
Mathematics
high-school
3
votes
131k
views
What can be inferred from these lines describing the pardoner in Chaucer's prologue to The Canterbury Tales? He had a fine veronica sewed to cap. His wallet lay before him in his lap, Stuffed full of pardons
answered
May 31, 2018
History
middle-school
4
votes
81.9k
views
A box contains 4 yellow tiles, 6 green tiles, and 10 purple tiles. Without looking, you draw out a tile and then draw out a second tile without returning the first tile. Find P(purple, then purple)
answered
Feb 24, 2018
Mathematics
college
4
votes
98.2k
views
What is the salinity of seawater>
answered
Feb 23, 2018
Biology
high-school
4
votes
67.7k
views
The natural source of acidity in rain water is _____. carbonic acid sulfuric acid nitric acid all of the above
answered
Dec 20, 2017
Chemistry
high-school
5
votes
5.1k
views
What is the ratio of Al ions to S ions in a neutral compound?
answered
Aug 6, 2017
Chemistry
high-school
4
votes
42.7k
views
Who conquered the Anglo-Saxon England was conquered in 1066? A. Charlemagne B. Attila the Hun C. Charles Martel D. Duke William of Normandy
answered
Apr 18, 2017
History
high-school
1
vote
155k
views
What one fourth as a decimal
answered
Oct 17, 2016
Mathematics
high-school
1
vote
107k
views
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