Answer:

Step-by-step explanation:
To find square root, you have to find out what number times itself will create the square root value:
means that there has to be a number that times itself to get 4.
2*2=4
Meaning that 2 is the perfect choice for this question.
= 2
Answer:
12 inches, I hope this is right! :)
Step-by-step explanation:
circumference = 75 inches
75 / 2 = 35.7
37.5 / π = 11.9366207
Rounded to the nearest inch:
12 inches
Answer:
(x² -7)/(2x + 1)
Step-by-step explanation:
f(x) = 2x+1 and g(x) = x² -7
thus: (g/f)(x) = g(x)/f(x) = x² -7/2x + 1
Segment BD equals 12<span />