If cos(90-θ)=BC/CA, write the ratio of cosθ?

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.

Divide. write in the simplest form. 4 1/6 divided by 10

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?