Question 12(multiple choice worth 1 points) (06.01 mc) the following table shows the number of hours some students of a class listen to music each day: student a b c d e f g h i j k l m n o hours 6.51 2.5 2.5 4 1 0.5 4.5 5 11 2 1.5 1.5 2 | which histogram best represents the data?

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.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.