science
I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
Chemistry
When looking at the Periodic Table, the oxidation state of hydrogen is +1; however my teacher told me that the net charge of hydrogen is 0. I do not understand why this is? Also, How may one calculate the charge of an element if only given the number of protons and neutrons (I...
world geography
In terms of GNI PPP per capita, excluding Singapore, the wealthiest nations of Southeast Asia are
math :)
Solve for x: 6(x+3) =2x +27
math
Find a shortcut for computing the sum: 1+3+5+7++11+13+15+17=?? Explain your shortcut and how you could use this same shortcut to find the sum of all the odd numbers form 45 to 99.
math !!!! :O
Courtney’s mother is a nurse. She came to school to check out posture and out backs. She told us that about 4.6% of children have a problem called scoliosis. There are hundred twenty-five students in our school. If our school is like the average, how many children will s...
math
what is the 10th term in this arithemetic sequence of 2,9,16,23,30?
math
Combine Like Terms!!!! -6z-3z-6x^2 and how did youget the answers???
math
Combine Like Terms!!!! -6z-3z-6x^2 and how did youget the answers???
math
The seventh book in the Harry Potter series has 759 pages. How many 2s were used when typing the page numbers?
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