Two increased by the quotient of a number and 15

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Which of the following will form the composite function?

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