Answer:
5a - 30
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
the ratio is 1:2
so,

the only shape with those numbers is C
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Answer:
Step-by-step explanation:
138/8 = 17.25
Answer:
11 feet
Step-by-step explanation:
Given,
Area of square ( a^2 ) = 121 ft
To find : Length of each side ( a ) = ?
Formula : -
Area of square = a^2
a^2 = 121
a = √121
a = 11 feet
To find where the second derivative of the function changes sign, from negative to positive, or vice-versa. So, we find the second derivative of the given function.