The graph shows the relationship between the number of cubic yards of mulch ordered and the total cost of the mulch delivered. a. What is the constant rate of change? What does it represent? b. What is the initial value? What might that represent? 300 Cost in Dollars (y) S 200 100 0 0 х 10 20 30 40 50 Cubic Yards (x) a. What is the constant rate of change? The constant rate of change is 1 (Type a whole number.)​

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0