The alien alphabet consists of four letters. A word in the language is any sequence of four letters, with at least two letters being the same. How many words are there in the alien language?

Will gve pints stars and brainliest

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

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?