Science
A car of mass m travelling at 20 m/s east on a straight level road and a truck of mass 2m travelling at 20 m/s west on the same road. What is the velocity of the car relative to the truck?
statistics
The general manager for Gordon's Self Service Gasoline is interested in estimating the mean number of gallons of gasoline that are purchased by customers at their Philadelphia location. He would like his estimate to be within plus or minus 0.50 gallons, and he would like t...
Math
2y/3+27+3y/4=-24 Please help me solve and show your work please and thank you
math
help! If you have an equilateral triangle with a line down the middle from top to bottom with T at the top and R X S at the bottom, X being in the middle and RT=6, RS=9 then RX= what?
Statistics
This is my first stats class and I don't know how to do this, could you please help me? Thank you. You are asked to determine the typical number of sales of a certain product at the store you work for. A sample of 50 days over the last quarter shows an average of 55 units ...
AP Physics
Light passes from air into water at an angle of incidence of 33.5.degrees Find the angle of refraction in the water. Answer in units of degrees
Chemistry
no not unless the teacher says your not allowed too
math
Adding mixed numbers so its the same denominator: 3 5/8 + 12 1/6
math
employees worked 200 regular hours and 50 hours of overtime. what percent of the total hours for the week were overtime?
Algebra
Thanks Henry and bobpursley for replying. Now the question makes sense :-)
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