There are 3 ruby throated hummingbirds and two of another type at the feeder. the birds have a mass of 23 grams in all. what other type of hummingbird is at the feeder? explain

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

In the diagram of circle o, what is the measure of zabc?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.