The weight of an object on Mars varies as its weight on earth. An object that weighs 115 Kg on earth weighs 44 kg on Mars. How much would a person weigh on Mars if the person weighs 75 kg on earth?

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?