A tower that is 127 feet tall casts a shadow 140 feet long. Find the angle of elevation of the sun to the nearest degree.

What is the value of the expression below? (81^2)^1/8

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y