U = {(1,2,n ); (2,3, 1);(1,0,2 n n n (0, 1,1 ); ) n } .A. Tìm số chiều và một cơ sở W của không gian con sinh bởi hệ vector U .

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

What function has a range {yly< 5}? question on picture above^

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons