When a digital clock reads 3: 47 the sum of the digits is 14. how many minutes after 3: 47 will the sum of the digits be 20 for the first time

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

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.

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units