math
I would get the chances of getting 3 questions right and the chances of getting 4 questions right, and then add the two chances together.
trig
First you have to find what s and t equal. Then you can find tan(s + t)
calc
determine the x-coordinate of the point on the curve y=2x(lnx) at which the tangent line is parallel to the line y=4x+9
3rd grade
32
Trig
Prove the trig identity cos(4x)=2-sec^2(2x)/sec^2(2x)
Oracle
Actually, Oracle is also the name of their flagship database and software applications.
Chemistry
It is estimated that uranium is relatively common in the earth’s crust, occurring in amounts of 4 g/metric ton. A metric ton is 1000 kg. At this concentration, what mass of uranium is present in 1.0 mg of the earth’s crust?
science
what is AIDS? what are the symptoms of AIDS?
winter break
When does winter break start for most students?
math
(20 / 400) * 100
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