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Question 1 of 10 Subtract. Write the answer as a fraction simplified to lowest terms. m]: Question 2 of 10 Simplify by combining like terms. 3.7z+9.0z+6 -14.6 = OO X 5\fQuestion 4 at 10 Write an expression for the unknown quantity. At a recent conference, there were 23 fewer attendees this year than in the previous year. If n represents the number of attendees in the previous year, write an expression that represents the number of attendees this year. The number of attendees this year can be written by the expression I I. m] Question 5 of 10 Find the length of the unlabeled side of the figure if the perimeter is 209 in. The length of the unlabeled side is D in. m]: \fQuestion 8 of 10 ,_' E' If each of the cubes is an inch long on everyr side, what units do you think would be used to measure the volume of the entire figure? Why? The units that would be used to measure the volume of the entire figure are -:jjj:- cubic inches. because the size would be a measure of the number of little cubes that fit inside the figure. -:jjj:- cubic inches. because the volume is equal to the product of the length and width of the figure. -:j:j:- square inches, because the size of the cubes is measured in square inches