What is the value of 2.3​

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad