Sammy is classifying quadrilateral EFGH. How can she use coordinate geometry to determine whether EFGH is a rectangle? E(7, 10), F(4, 7), G(6, 5), H(9, 8)

Sammy can use the distance formula to show opposite sides are equal and the slope formula to show that consecutive sides have opposite reciprocal slopes.
Sammy can use the distance formula to show opposite are perpendicular and the slope formula to show that consecutive sides are equal.
Sammy can use the distance formula to show that all sides are equal and the slope formula to show that consecutive sides have the same slope.
Sammy can use the distance formula to show that all sides are parallel and the slope formula to show that consecutive sides are equal.

Which statement best describes the narrator's reliability? the narrator is unreliable because o she does not reveal how old she is until the end of the passage.

Which statement best describes how these paragraphs develop the central idea of the article? a- they elaborate on the idea that the offer has been made with youngsters in mind. b- they provide additional information as to why the prize is a wagon instead of something else. c- they support the idea that the wagon is attractive to youngsters and is a worthy prize. d- they introduce the idea that the newspaper is a generous organization. read paragraphs 4 and 5. the disc wheel coaster wagon is thirty-six inches long and sixteen inches wide. the coaster is built exactly like a high-powered automobile. the disc wheels have rubber tires and true roller bearings. it runs as smoothly as an eight-cylinder automobile. it is built of the strongest wood and is equipped with a reliable hand brake, enabling the owner to stop in an instant. the tongue—usually the first thing about a wagon to break and render the wagon unserviceable—is so stout that a man can jump on it without breaking it.

Which is it? the desert is than the mountains? 1. drier 2. more dry