math
Is the expression a monomial? explain. qs + 5
Physics
An object is placed 8 cm in front of a convex lens of focal length 6 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation.
precalccc
find all the real zeros and multiplicity of f(x)=x^4-68x^2+256
business andmin admin communication
thank you so much ms sue. I was able to take the questions we differed on look through the reading material to really get a grasp on the concepts. I was able to resubmit the test (not counted toward grade) just to see if my understanding had improved. i only got 2 wrong that t...
business andmin admin communication
1c 6a 11b 16a 2a 7c 12c 17d 3d 8b 13c 18c 4d 9b 14d 19c 5a 10d 15b 20b These answers got me a 65.. thought i had a firm grasp on the concepts in the chapters... now i want to go back and read over the incorrect questions to get a better understanding
business andmin admin communication
i got a 65, on it. i can post my answers also. i was having a hard time figuring out which questions i got wrong.
Algebra/Math
A total of 504 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold . How many adult tickets were sold?
Sociology
The correct answer is A
Chemistry
51.34 g of water at 81.5 oC is added to a calorimeter that contains 52.13 g of water at 40.7 oC. If the final temperature of the system is 59.4 oC, what is the calorimeter constant (Ccalorimeter) ? Use 4.184 J/goC for the heat capacity of water.
Chemistry
Pentane is a small liquid hydrocarbon, between propane and gasoline in size C5H12. The density of pentane is 0.626g/ml and its enthalpy of combustion is ΔHcomb =-3535kj/mol. Estimate the fuel valve and the fuel density of pentane.
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