Which figure has 90 rotational symmetry?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

If g(x) is an odd function, which function must be an even function?

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15