What is 4 times the sum of x y? a. 4 (x y) b. (x y)/4 c. 4 - (x - y) d. 4(x y)

What aspects of lines have to be diffrent

Anyone know? will mark brainliest if correct

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