Chemistry
A gas occupies a volume of exactly 500mL at STP. What would it occupy at exactly 70 degrees celsius and 400 mm of pressure?
aig math(Ms.Sue)
Your school librarian has asked your class for some help on the purchase of some new bookcases with 2 shelves each. She has 300 new books she needs to shelve. 1/2 of the books are half an inch thick. 1/3 of them are 1/4 of an inch thick, and the rest are three fourths of an in...
math(Ms.Sue)
The ratio of Tim's marbles to Joe's marbles to Matt's marbles is 8 : 6 : 9. If Tim and Joe have 84 marbles altogether, how many marbles does Matt have? Show your work please?
aig math
The ratio of Tim's marbles to Joe's marbles to Matt's marbles is 8 : 6 : 9. If Tim and Joe have 84 marbles altogether, how many marbles does Matt have? Show your work please?
math
A bookshop had 60 boxes of pencils. Each box contained 85 pencils. Half of the pencils were packed into packets of 25 pencils and the rest were packed into packets of 20. How many packets of pencils were there altogether? My answer is 229 am i right? How many pencils were left...
math
The total capacity of 2 water bottles, A and B, is 680 ml. The ratio of bottle A's capacity to bottle B's capacity is 4:6. How much larger is bottle B's capacity than bottle A's? My answer is 136, am i right?
aig math
Janet has 73 coins. Linda has 28 more coins then Janet, but 17 fewer coins than Alan. Sam has 33 fewer coins than Alan. How many more coins does same have than Janet? My answer is 12 coins, am i right? If not please tell me your answer and how you got it.
science
Which of the following gives off more energy than it absorbs? melting ice, burning propane in a gas heater, sublimation of carbon dioxide to carbon dioxide gas, recharging a car battery
3rd grade math
i have 6 thousands 12 tens 9hundres 10 ones
aig
Allison, Ashley, and Becky weigh 124 kg altogether. Allison and Becky weigh 102 kg altogether. Allison and Ashley weigh 86 kg altogether. How much does each person weigh? please show your work.
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