Answers edited by Ed Hitchcock
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Given that y varies directly with x, and x = 15, y = 9, how do you write a direct variation equation that relates x and y?

What is a planetary nebula made of?

What percent of 33.5 is 21?

Question #28721

Question #5ced9

How do you find the maximum area of rectangle with 80ft perimeter?

What is #(pi)/4 # radians in degrees?

How strong is the force of gravity on earth?

What are the receiving chambers of the heart and what are the discharging chambers?

How powerful are today's telescopes compared to some of the first used to look at the heavens?

Question #a52b1

How many grams are in 5.67 ng?

Question #3cc11

Question #88ca9

Why does earth's distance from the sun change?

What makes a nebula planetary and what makes a nebula diffuse? Is there any way to tell if they are Diffuse or Planetary just by looking at a picture? What are some Diffuse Nebulae? What are some Planetary Nebulae?