Solve for x in equation x^2-10x25=35

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.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor