The ratio of similitude of two similar triangles is 3:4. If the perimeter of the larger triangles is 84 cm, what is the perimeter of the smaller triangle?​

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.

Reflect the point (7,0) across the y-axis

∆red ≅ ∆ by rule will give brainiest if possible