Ile to jest potrzebuje działania!! (12x+2y-5)+(6y-12x+9)

-(3x+9)-(12+8x)

12-(-6x+12)+36x

14+(3x-9)-(5x+11)

-(-7x+15)-(-8+4x)

16+2x+(8x-26)

14x+36-(9+36)

-(8z+11)+8z

3x-(12-9x)

-(7x+9)-9

-18+(21x-9)

(64x+5)+(8x-9)

-(36x-1)+(36x-1)

-(5x+5)+12x

(8x-9)+(9x-8)

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

For which pair of functions is (gof)(a)=|a|-2?