Neeed help pls. Find the measure of each side indicated. Round to nearest tenth. Pls help

What is the measure of the smallest angle in the diagram? 15 29 32 45

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

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.