Answer:

Step-by-step explanation:
Surface area of this shape = area of 2 triangles + area of 3 rectangles

12÷4=3 and 36÷12=3
so the ratio is same
therefore it is a geometry sequence


=108
Answer: 16cm
Step-by-step explanation:
l = 4w
2l + 2w = p
2(4w) + 2w = 40
8w + 2w = 40
10w = 40
w = 4 cm
l = 4w = 4(4) = 16cm
Answer: (bc+2ac+3ab)/(abc)
How long would it take $120/hr to add up to $1000?
Divide $1000 by $120/hr:
$1000
----------- = 8 1/3 hours, or 8 hours 20 minutes.
$120/hr