The teacher of the class that contains 12 boys and 16 girls need to be to volunteer she randomly selects one student and then select another student from the class what is the probability that she chooses a girl first then a boy

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

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

How do you write something in scientific notation?