Answer:
C
Step-by-step explanation:
Not A b/c the difference b/w 85 and 17 is not 76
Not D b/c the difference b/w 97 and 17 is not 76
Not B b/c 16 is not 20% of 92
By the process of elimination the answer is C
Answer:
a = 5
Step-by-step explanation:
a +a+4 + 2a-3 = 21
4a +1 =21
4a = 20
a = 5
A9x) = x^2 - 6x + 9 = (x - 3)^2
length of a side = x - 3
