Katrina is building a deck. she cuts 3 lengths of wood from a 72-inch board. the first length is 30 3/4 inches. the second length is 12 1/4 inches. and the third length is 16 1/4 inches. how much of the original board remains after katrina makes her cuts?

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet