Janet has a bottle of milk which is of 500 ml . She spills 1/2 of it . How much did she spill ?

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.

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b