Transforming linear functions. has not helped me out but i need it now!!! please 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.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

How many 3/8s are in 6 plz someone tell me now