Answer:
A) B and C
Step-by-step explanation:
To find the perimeter, add up the lengths of all the sides.
For shape A: 16+16+1+1= 34
For shape B: 8+8+2+2= 20
For shape C: 5+5+5+5= 20
Shapes B and C both have a perimeter of 20. The answer is A, B and C.
I hope this helps!
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The other answer is not correct because they are finding the area of the rectangles.
Answer:
Here,

substituting the value of 4y in eqn i fron eqn ii
so eqn i becomes

So

Thus,

...hope this helps:)
Answer:
1:2
Step-by-step explanation:
6:9 can be simplified to
divide by 3 to get simplest form
1:2
Answer:

Step-by-step explanation:
The mass of a bag of sugar, m = 1 kg = 0.001 g
Length of bag, l = 9.2 cm
Width of bag, b = 6 cm
Height of the bag, h = 14.1 cm
We need to find the density of the sugar bag.
Density = mass/volume
So,

So, the density of the bag is
.