7x[24÷(12-4)]+3 simplify​

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

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section