What is the number marked by the arrow? (Use only the digits 0 - 9 and the decimal point and the negative sign, if needed, to write the number.)

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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).

Biggest exam of the which of the following are polynomial functions?