Answer:
The first and last one!!
Step-by-step explanation:
Was it correct?? Hope this helps!!(¬_¬ )
-7x + 14 = 56
Subtract 14 both sides
-7x + 14 - 14 = 56 - 14
-7x = 42
Divide both sides by -7
(-7x)/(-7) = 42/(-7)
x = -6
16 m³
Step 1:
Here we are going to find the volume of square pyramid.
Volume of square pyramid = × ×
Here base = 4 m
Height = 3 m
Step 2:
Volume = (1/3) × (4 × 4) × 3
= 16 m³