GUYS IM OVER 8 HOURS BEHIND IN EDGE FOR MATH, ELA, SCIENCE, AND GEOGRAPHY AND I HAVE 3 HOURS TO GET MY GRADES UP WHAT DO I DO???

What are the domain and range of the function f(x)=2^x+1

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

The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) compute the z-score corresponding to the individual who obtained 42.342.3 miles per gallon. interpret this result.