−6x − 2y + 2z = −8
3x − 2y − 4z = 8
6x − 2y − 6z = −18

c. 4 and 1/2 pounds is the answer! : )

answer: idk

step-by-step explanation:

there is nothing below so i cannot

step-by-step explanation:

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