6. A coin is tossed 7 times. Find the mean variance, and standard deviation of the number of tails that will be obtained.

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

What is the solution to the division problem below x3+x2-11x+4/x+4