Find the square root. square root of negative 81 end root

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

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

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?