Using the distributive property, an expression equivalent to 34 + 16 is 2 (17 + 8). 17 (2 + 8). 34 + (4) (4). (2) (17) + (4) (4).

9514 1404 393

  (a)  2 (17 + 8)

Step-by-step explanation:

The largest common factor is 2.

  34 +16 = 2·17 +2·8 = 2(17 +8)

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)