Write an algebraic expression for “8.9 times a number.” which would you simplify in order to evaluate the expression when the value of the variable is 2? 8.9/2 8.9 + 2 8.9(2) (8.92)

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

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.