John owns a hardware store. he has at most $1,000 to spend on restocking his pipes. steel pipes cost $100, and plastic pipes cost $50. he needs at least 5 steel pipes and no more than 10 plastic pipes. identify two possible combinations. !

Find the solution of system of equation y= x-4 y=4x+2

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.