Find the balance at the end of 4 years if $10000 is deposited at a rate of 1.5% simple interest

If the measure of xyz is 81 what is the measure of yz

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

State if the two triangles are congruent. if they are, state how you know?