Hallen went to farmers market and bought 1 2/5pounds if coffee at 12$ a pound and 4 1/2 pounds of rice at 0.35 per sound. if hallen paid for her purchase with $50 bill how much change did she receive

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

In the rectangle below ac=30 units what is de