Hannah finds purple, blue, and silver space rocks while exploring. 2/3 of the rocks are purple and 3/4
of the remainder are blue. Hannah has 36 space rocks total. How many more purple rocks does Hannah have than blue rocks?

What situation is an example of an observational study

Me n o w. i need t h i s. 10 points

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3