science/math
A car travels up a hill at a constant speed of 45 km/h and returns down the hill at a constant speed of 70 km/h. Calculate the average speed for the round trip.
Science/math
Emily takes a trip, driving with a constant velocity of 79.5 km/h to the north except for a 22 min rest stop. If Emily's average velocity is 68.8 km/h to the north, how long does the trip take?
visual basic 2010
Write a program to determine a person's weekly pay, where they receive time and a half for overtime work beyond forty hours.
6th grade
interview some from 9/11
6th grade
describe yourself mathamatically
Algebra
How to write an equation for this problem: A boat rental company charges a $5 usage fee and $10 an hour to rent a canoe. How long did you rent the canoe if you were charged $45?
Algebra
How to write an equation for this problem: A boat rental company charges a $5 usage fee and $10 an hour to rent a canoe. How long did you rent the canoe if you were charged $45?
chemistry
2540J/115g*.385J/gC=57.36871824
math
108=4x3 to the what power
Writing
Aristotle observed arguments only have two parts: statement and proof. T/F
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