Answer:
a =6
b=4
c=2
step-by-step explanation:
=
=
= 
Answer:
a) 16 in³
Step-by-step explanation:
Vol (cyl) = πr²h = 54
Vol (cone) = πr²h/3
54/3 = 16
Answer:
$10.10
Step-by-step explanation:
$7.50 + $2.60 = $10.10
Answer:
4x² + 4x + 1
Step-by-step explanation:
We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.