In triangle abc, angle a = 74°, a = 126, and b = 84. find angle b.

a. 39.9°
b. 79.4°
c. 80.8°
d. impossible to tell

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Ill mark the brainliest if you me with the these three questions 7,8,9