What are the trigonometric ratios of cot 0= 40/9 in a right triangle with the given​ value?

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.

Simplify the expression. -2/5(10+15m-20n)

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10