Political Science
From the 1970s to the present, a shift in the evolution of public policy moved toward a New Federalism. How did this effect public policy? Was this positive or negative? Why?
Chemistry
If 56 j of heat is added to an aluminum can with a mass of 19.6 g, what is its temperature change?
geometry
if a square pryramid has a volume of 91.1ftcube and a height of 7 ft, what is the length of a side of the base?
Chemistry
What is the mass of 65.0mL of ethanol? the density of ethanol at room temperature=0.789g/mL
writing
write a 150-200 word paragraph to explain how purpose, content, audience, and tone impact academic writing.
math
"A 12-pack of cinnamon scented pencils sells for $3.00 at a school booster club sale. What is the sales tax rate if the total cost of the pencils is $3.21?" what is the answer and how do you show the work?
math
tan theta= 15/8 and pi< theta<3pi/2 a. Sin(- theta) b. cos2theta c. sin( theta - 3pi/4) d. cos(theta/2) can someone explain to me how do you find the exact value for these?
math
it's to find the exact value..sorry i didnt mentioned before and thanks
math
cos 23pi/12 i tried doing it and i got 0.994.. is that right? can someone explain how to do this to me? thanks!
chemistry
Imagine that you have a 5.00L gas tank and a 3.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145atm , to what pressure should you fill the...
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