12. (6cr) A gardener is planting two types of trees:
Type A is 4.5 feet tall and grows at a rate of 3 inches per year.
Type Bis 2 feet tall and grows at a rate of 7 inches per year.
a. Model the situation as a system of equations.
b. Determine exactly how many years it will take for these trees to
be the same height. You can check in Desmos for the answer, but
you must show all algebraic work.
c. What is the height at that point?
Your answer
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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