urine is sketching a scale drawing of a famous painting the painting is 54 in wide 72 inches long he used a scale factor 2/3 to make his sketch​

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?