Find the measure of the angle DCB in the rhombus ABCD.

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.

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok