What measurement of a rectangle does a left-hand sum use? height at the right edge
width at the right edge
height at the left edge
width at the left edge

C. Height at the left edge

Step-by-step explanation:

Edge 2021

Step-by-step explanation:

22 and 22

step-by-step explanation:

10 plus 12 equals 22.

12 plus 10 also equals 22 because regardless of what order they're in, they're gonna equal the same thing.

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)