Dan types 100 words in 5 minutes. Dora types 118 words in 6 min which rate is better and need an explanation with it.

Write a corresponding real world problem to represent 2x - 125=400

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28