Cars currently sold in a particular country have an average of 110 horsepower, with a standard deviation of 40 horsepower. What's the 2-score for a car with 170 horsepower?

I'm terrible at math any here is appreciated.

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?