Troy drew a triangle with coordinates ( 5 , 6 ) , ( 5 , 4 ) , and ( 8 , 4 ) . he rotated the triangle 180° about the origin. what are the coordinates of the image? select all that apply.
a. (−5, 6)
b. (−5, −4)
c. (−5, −6)
d. (−8, −4)
i hate doing this but i really dont know the answer and im already failing : (

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)