Answer:
56
Step-by-step explanation:
V=lwh/3
im guessing its a square pyramid?
14(12)/3
=56
I’m almost positive it’s the second one but check to be sure
Answer:
<u>Answer</u><u>:</u><u> </u><u>D</u>
Step-by-step explanation:

open the brackets [ distributive property ]

collect like terms:

divide either sides by 5:

Consider the attached figure. All the triangles shown are similar, so
CB/CA = CD/CB
30/50 = projection/30
projection = 30^2/50
projection = 18