math
In the megalopolis stadium there were 32 sections, and each section could seat 950 people. How many people could the stadium seat?
Accounting
Can someone tell me the formula of how to calculate depreciation?
science
how is the mouth of a perch and earthworm specialized.. PLEASE HELP!
physics, math, science
a soccer ball is kicked on the ground at 8m/s. another player is standing 30 m away. if she needs to intercept it at 20m - how much time does she have and how fast must she run?
physics
an object slides off a roof 10 m above the ground with an initial horizontal speed of 5 m per second. the time between the object's leaving the roof and hitting the ground is 1.4s. how far does it land from the wall?
fluid mechanics
A plastic bag is filled with 1 ft3 of air at 17° C at atmospheric pressure. What is volume at 2 atm pressure?
fluid mechanics
What is the pressure change require to change the volume of air by 1%?
Psychology
Pyschologists train rats to fight and scratch each other by shocking them if they are somber. How is that negative reinforcement?
Math
-3x+4y-1=0 +1 +1 -3x+4y=1 -28 -28 -3x=-27 --- --- -3x -3x x=9
Science
what creates the circulation of air or water that forms from uneven heating?
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