Mr. young has a piece of rope. he uses 1/4 of it to tie some boxes together. he then uses 5/9 of the remainder to make a jump rope for his daughter. after this, 120 centimeters are left. what is the length of rope mr. young used to tie the boxes together?

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

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