Which is a valid proportion?

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.