Write the equation of each line in slope-intercept form

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?