Given cosø=4/9 and cscø< 0, find sinø and tanø

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5