Simplify and express the answer as a decimal. 3(2.7+5)−2 enter your answer in the box.

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

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

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.