Pls help! What is the area of this triangle? (It’s an isosceles)

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.