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math.help
am i correct on this radical (121) the radicand is negative 121 cannot be evaluated. The square root of 121 is the imaginary number 11i, where "i" is the symbol for the square root of 1. Actually, 11i is also an answer. 
math
What is the square root of 121? show work thanx I memorized this long ago in the fourth grade as 11. If you want to show work, show that 11x11 is 121. 11x11=121 
algebra 2
evaluate if possible 1. square root 121 A not a real number 2. 3cube8/27 would this be 3cube 2/3 number 1 is correct i've had that one in my homeworks previously. number two i am not sure how it would actually look 3^3+ (8)/(27)= … 
Algebra
9+3w/11 divided by 25w75/121 Do I need a Common denominator? 
algebra
find center and radius of circle (x6)^2+(y+9)^2=121 (x6)^2 (x6)^2 (y+9)^2=121121(x6)^2 (y+9)^2=+/ ã121(x6)^2 9 9 y=9+/ã121(x6)^2 does anyone know is this the answer or do I go further? 
Calculus
This is a large problem, sorry for the trouble. if f(x) = sqrt(x^3 + 5x + 121)(x^2 + x + 11) Find fprime/derivative of/at 0 I keep getting 16 which is not one of the multiple choice answers available. My last step is [sqrt(121)(1)] … 
Help
I am trying to do this problem and this is what I have got so far Divide 49+7w/11 / 9w63/121 (49+7w)(121)/9w63)(11) (w+7)(w7)(121) (w+9)(w7)(11) can you help from here 
probability
(a) Find P(121 ¡Ü X ¡Ü 139), the probability that a randomly chosen girl at the start of 1st grade is between 121 and 139 centimeters tall. (Round your answer to three decimal places.) P(121 ¡Ü X ¡Ü 139) = 1 
stat
Diana and franklin both play a card game called cribbage,in whichthe first person to earn 121 points is the winner. The table below shows the results of six games of cribbage. Dianna's score/Franklin's score Game 1 121/118 Game 2 121/101 … 
math
A tower casts a shadow 11 feet long. The distance from the top of the tower to the end of the shadow is 61 feet. how many feet tall is the tower?