What is the difference of 81.035 and 9.76

Me what is the value of x? showing work would be appreciated - ! : )

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

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?