Shadows cast angles at equal measures, making triangles formed by shadows similar. Lance the alien is 5 feet tall. His shadow is 8 feet long.

the third side is 9.43

Step-by-step explanation:

the length from his head to the shadow of his head is the same as

+ =

so we solve this to get c = 9.43

41*67/2=1373.5

step-by-step explanation:

i just used a calculator

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)