PLEASE HELP ASAP Which expression is not equal to 1?

A} sin θ csc θ
B} cos θ sec θ
C] tan θ cot θ
D} sin θ cos θ

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10