Answer:
Step-by-step explanation:
Given:
Substitution can be used to find the value of 
:
Hope this helps :)
The third one is correct.....so go for it without hesitation
180x feet^3
this is the answer because volume is lwh so 15 x 12 x x is 180x the labeled is 180x ft.^3
Answer:
55
Step-by-step explanation:
Remark
This is a really good question to know the answer to. <PRQ = 1/2 POQ (the central angle. )
The central angle for this question is 110o. So any angle that has its vertex on the circumference is 1/2 110 = 55. The central angle and the angle on the circumference must be related as they are as this question is. (Both are on the same side of PQ which is not drawn but you can draw it).
