For which system of equations is (2, 2) a solution? a. –3x + 3y = 0 x + 6y = 10 b. –2x + 5y = –6 4x – 2y = 4 c. 5x – 2y = –6 3x – 4y = 2 d. 2x + 3y = 10 4x + 5y = 18

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.

The table respent two linear functions the equation respented by the first tables is given

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4