Answer:

Step-by-step explanation:
let the diagonal be d
using the pythagoras theorem,


which in radical form is

B. the ratio of girls to boys is 7:5
Answer: 14 & 8
14 + 8 = 22
14 - 8 = 6
Answer:
B.
Step-by-step explanation:
B. Because the others have exponents whose denominators are even so the results of , for example x^1/2, if x is negative is not defined.
For example:
For A, when x is -4, (-4)^1/2 is not real.
For B, when x = -4, (2*-4)^ 1/3 = -8^(1/3) = = -2.
The Intercepting point and answer is: (1,-3)
The graph: