Owners of a coffee shop purchased 60 pounds of Guatemalan coffee beans and 90 pounds of Nicaraguan coffee beans. The total purchase price was $180. The next week they purchased 80 pounds of Guatemalan coffee and
20 pounds of Nicaraguan coffee, and the cost was $100
a. Write a system of equations to find the cost per pound for both the Guatemalan and Nicaraguan coffee
beans

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be