Solve the quadratic equation for x. What is one of the roots? 5x2 − 45 = 0

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

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

3/4 = c/36 i need with this fraction proble.