PLEASE ANSWER WILL GIVE BRAINLIEST. Given that cos(x)=9/√82 and tan(y)=1/2, and that angles x and y are both in Quadrant I, find the exact value of cos(x-y), in simplest radical form.

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

What is the y-intercept of the line given by the equation

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students