What are the coordinates of the image of vertex D after a reflection acrithe x-axis

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb = 30, bb = 10, and bb = 10. calculate the frequencies of the two alleles in the population’s gene pool.

Identify the polynomial. a2b - cd3 a.monomial b.binomial c.trinomial d.four-term polynomial e.five-term polynomial