Determine the exact value of the 6 trig functions of an angle if a point on the terminal side of the angle is located at (4,-8) ( cosider the point to be on a circle whose center is at the orgin and sketch this on the coordinate plane) make sure you write theta everytime you write a trig funtion.

Me because some of question i don’t understand

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.