3.Lou has the first 4 encyclopedias lined up on a shelf, A, B, C, and D. If he picks two at random, what is the probability that he picks A first and B second?

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?