According to government birth statistics the probability of women giving birth to twins is 0.015 what is the probability of not having twins?

Which expression is equivalent to the expression shown?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1