Use the cummutative property of addition to write an expression equivalent to 15a+b

1. are the triangles similar and if so why? what is the value of x? show your work.

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.

How many lines can be drawn through points j and k? 0 1 2 3