Suppose y varies directly as x and y = 9 when x = 3/2 find y when x =1

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

What is the area of the shaded sector?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?