PLEASE HELP. WILL MARK BRAINLIEST IF CORRECT

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Place the following steps in order to complete the square and solve the quadratic equation,