3. given the same sample statistics, which level of confidence would produce
the widest confidence interval? explain your reasoning.
(a) 90% (b) 95% (c) 98%
(d) 99%

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Tan198=asin164=? how to solve this? ?