Answer:
(a) 552ft
(b) $220.8
Step-by-step explanation:
(a) TSA of cuboid = 2 (lb + bh + hl)
= 2 (12*8+8*9+9*12) = 2 ( 276) = 552 square feet.
(b) Cost of covering the box = $0.40 * 552 feet
= $220.8
Answer:
6700000000
Step-by-step explanation:
6.7×10^9
(67×10^-1) × (10^9)
(67×)^-1+9
67^8
6700000000
Answer:
The answer is 2. hope it helps!
Step-by-step explanation:
A = L * W
Given:
L = x + 10 and W = x + 15
So
A = (x + 10)(x + 15)
A = x^2 + 10x + 15x + 150
A = x^2 + 25x + 150
Answer
x^2 + 25x + 150
