In attempting to solve the system of equations y 3x 2 and 6x 2y 4, john graphed the two equations on his calculator. because he saw only one line, john wrote that the answer to the system is the empty set. is he correct? explain your answer.

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.

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

F(x)=5/6x+3 which of the following is true