Kay H.

The King has 1000 bottles of wine, exactly one of which is poisoned. Your job is to identify and throw out the poisoned bottle as quickly as possible by having the royal taste-testers drink the... more

I'm wondering whether there is a difference between these two expressions. I never know which one to use. Google seems to return the same amount of results for both, so I suppose there might be a... more

A full glass of juice is a mixture of 20% grape juice and 80% apple juice. The contents of the glass are poured into a pitcher that is 200 percent larger than the glass. The remainder of the... more

If an object moves the same distance twice, but at different rates, then the average rate will never be an average of the two rates given for the two legs of the journey. Why is that so?

1) The distance between r and 0 is 3 times the distance between m and 0.(2) 12 is halfway between m and r.

How many mL of a 0.10 M NaOH solution are needed to neutralize 15 mL of a 0.20 H3PO4?  

To find out if the lines are parallel or perpendicular and to show work.

find the 1st and 2nd derivative

I am trying to find  the cosine of a fraction of a variable and I m lost. I can do one or the other but not combined. Any help would be greatly appreciated.

20x-y=5 x+5y=10

Solve. Present your solution on a number line and interval notation (1) -2x+51<9-8x(2) x-3 ≤ -5 or 6x>-6(3) -4x+13≤9 or 6-5x ≥21(4) 7x-1 ≥13 or 4x +5 ≥-7(5) -8x<-24This are the answer that... more

really stuck on this question need help with it asap