Triangle abc and triangle xyz are similar. if the measure of angle a-30° and the measure of angle b-45 , what can you conclude? options are in the picture

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

What is the lcm of 16 and 40 ? 24 and 40 ?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).