Aline with a slope of 1 passes through (9,7). what is it’s equation in slope intercept form

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

Use the graph of the sine function y=2sinθ shown below

Which graph represents the parent function of y=(x+2)(x-2)