Sarah described the following situation:
when fertilizer was added to one plant and nothing was added to another plant, there was a noticeable difference in the color of the leaves of the plants.
which of the following best describes the situation?
a. this is an example of correlation but not causation.
b. this is an example of causation but not correlation.
c. this is an example of both correlation and causation.
d. this is an example of neither correlation nor causation.

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.