math
greg exchanged 200 canadian dollars for 1/5 fewer u.s dollars. after spending 3/4 of the u.s dollars, how many did he have left?
math
sam earned $4,000 from his business. he gave 1/5 of it to his son and daughter in law as a gift. he invested 1/2 of the remaining amount. how much did he have left?
Reiny
I think Ive got the answer, would you mind checking?
Reiny
Reiny I think I have found out the rectangle problem. Could you check and see if Ive got it correct?
To helper
wat? hes helping perfectly fine. I actually m learning something.
Cylinder Height
thx
Cylinder Height
A cylinder has surface area of 402 cm2. The height is three times greater than the radius. What is the height of the cylinder?
Areas/Rectangle
2x-1
Areas/Rectangle
x^2-1 would it be this?
Areas/Rectangle
Sorry the width is x+5, I think I combine the like terms, is that right?
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