Equations of the form cosθ=k where -1 ≤ k ≤ 1 has/have solution(s). A. two
B. infinitely many
C. one
D. none

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

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

Which expression gives you the distance between the points (5,1)and(9,-6)