Simplify 7(5x - (7 - 7y + 7x) + 3y)

-44x + 69y - 48
71x + 81y - 44
1x + 67y - 39
84x + 40y - 13
none of the above

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

Determine domain and range, largest open interval, and intervals which function is continuous.