Please help taking a test A tree outside Elise’s house casts a shadow that is 125 feet long. At the same time of day, Elise casts a shadow that is 5.5 feet long. If Elise is 4.4 feet tall, how tall is the tree?

What is the standard form of -5x^2+2x^4-11+x^3+3x

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.