Math
I just do not understandthe concept of this can some one make it more simple for me to understand? Remove parenthesis and simpilfy its not just this one its the whole understanding thing. 8p+5q-9(8p-8q+9r) I got -72+67q-81r
Geography
what activiteis affect the level of a countrys economic developement?
Org. Chem.
why is water and tetrachloride immiscible
Math
there are 3 angles in a triangle
Algebra Word Problem Help
A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the wall for one side and the available fencing for the remaining three sides. If the sides perpendicular to the wall have length x feet, which of the follo...
Math Help Please
Which of the following expressions is equal to log (x sqrt-y)/z^5 A. log x + log (1/2) + log y– log 5 – log z B. log [x + (1/2)y – 5z] C. log x + (1/2)log y – 5 log z d. [(1/2) log x log y]/(5 log z)
Algebra
Express as a single logarithm and simplify: 2 log 3 + log (3x) – log x
Math
It's ok, I see how this is the answer now! Thanks again for your help!
Math
Would this [-infinity, -2] and [1, infinity] be the same and equal (-infinity sign,-2, U(1,infinity sign)
Math
Please help! They are asking for 2 solution sets and I don't know where to start. Thanks in advance! Solve and write interval notation for the solution set. 3 – 8x < –5 or 3 – 8x > 19
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