Write an expression for the length of the rectangle. (Hint: factor the area binomial and recall that area equals width times length.) what is the length of the rectangle? Area is 7x to the fifth power minus 63x square units , the width is 7x units what is the length?

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Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

What is the value of x? enter your answer in the box.