The answer of
<span>-45+(-30)-90= -165
Hope this helps <3
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45% of 20
20 times 0.45
= 9
The answer is 9
Answer:
b
Step-by-step explanation:
Step-by-step explanation:
l = length
w = width
l = 3w
perimeter p = 2l + 2w = 56
using the identity of the first equation
p = 2(3w) + 2w = 56
6w + 2w = 56
8w = 56
w = 7 cm
l = 3w = 3×7 = 21 cm
so, the area is
l×w = 21×7 = 147 cm²
