Find the slope of the line with the equation 2x+3y=6

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

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

Miguel has one foot of string. he cuts the string into fourths. how many inches is each piece of string?