(TIME SENSITIVE PLS HELP WILL GIVE BRAINLIEST) when simplified, tan(40)-tan(10)/1+(tan(40))(tan10)) ) is equivalent to which expression?

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.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)