Pls help!! This dream box lesson is hard!

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.