What is negative five minus negative nine

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

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15