If triangles DEF and NPQ are similar, what is the length of side d? Enter a fraction or a whole number.

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.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll