Four students in ms. hampton's math class are trying to solve the same problem:
5x - 11 = 14
each person is solving the problem by taking a different first step.
which step should be the first?
subtract eleven from both sides of the equation.
в
add fourteen to both sides of the equation.
©
multiply both sides of the equation by five.
add eleven to both sides of the equation.

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