The measure of each base angle of an isosceles triangle is 15° less than the measure of the vertex angle. find the degree measure of the vertex angle

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?