7. Marco was asked to rotate the coordinate P(3,-4) 180 degrees about the
origin. Then, he decided to perform a
translation of (x, y+2) followed by a
dilation of 2. Marco was convinced that
P and P'" had the same coordinates. Is
Marco correct? Explain your reasoning.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?