Answer:
Complementary angle is 90 degree and supplementary angle is 180 degree
The correct answer is x+b/a
f^{-1}(x)=\frac{x+b}{a}
That is the vertex form of a quadratic equation
Answer:
99.7% data lies between 13 to 43
Step-by-step explanation:
Mean:
Standard deviation : 
68% of data lies between
to
95% of the data lies between
to
99.7% data lies between
to
We are supposed to find 99.7 of the data will lie between which values
99.7% data lies between
to
99.7% data lies between 13 to 43
Hence 99.7% data lies between 13 to 43