The line with equation -a+2b=0 coincides with the terminal side of an angle 0 in standard position and cos 0 < 0. what is the value of sin0?

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.