Help very much needed...why? because I'm not smart. if someone could explain how they got the answer it
would help my understand but if u dont want to its fine

2^−2 ⋅(12⋅3)−5^3

^-2 = negative 2 exponent
^3 = exponent 3
the dot = multiplication

18

step-by-step explanation:

ik this stuph and i am smart donkey

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft