The coordinates of the two points in the coordinate plane are ( -1, -4) and (x, y). If the coordinate of the midpoint is at (9, 12), find the exact coordinate of the other point.

What is the primary justification of the hypothesis that the early earth environment was void of oxygen? ( 2 points) data showing the concentrations of gases extracted from rocks fossil evidence regarding the origin of eukaryotes generally accepted atmospheric conditions molecular evidence based on evolutionary traits.

Danielle has blonde hair. her mother has blonde hair and her father has brown hair. which explains how danielle inherited her hair color? she inherited a chromosome that carry alleles for hair color from someone other than her mother and father. she inherited a chromosome that carries an allele for hair color from only her father. she inherited a chromosome that carries an allele for hair color from only her mother. she inherited a chromosome that carries an allele for hair color from each parent.

Which of the following expressions is equivalent to -1/4y - 2 1/4 + 1/2 (4-2y)? a. -3y + 2b. -3 1/2+4c. -4 1/2y+2d. -4 1/2y+2show ur work