Out of 250 randomly selected U. S. men in the 35– 44 age group, about how many would you expect to have a total cholesterol level greater than 260 milligrams per deciliter of blood?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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.

Can someone answer this question for me