Pls help me guys, im soo confused

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.

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

What is the sum of these mixed numbers 4 2/3+ 3 1/9