Find all the cofactors of the matrix.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
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Multiply.
A. 1,636 B. 1,526 C. 1,536 D. 1,546
What is the best description of the technique of organizing a curriculum by using thematic units?
a. Structured drill and practice occurs for each mathematics content area before students are asked to solve real-world problems. *b. Problems in a unit are chosen not only to bring out important mathematics, but also to be relevant to a given real-world situation. c. Assessments are built into each unit so teachers can gather valuable information about students' understanding and determine the path future instruction should take. d. Students experience computer-assisted instruction that provides feedback about concepts with which they struggle
Add or subtract as indicated.
+ 
A. - 
B. 
C. 
D. 
Find the requested area or volume.Area of a trapezoid: Height = 2
in., B = 
in., and b = 
in. (where B is the length of the longer of the parallel sides, and b is the length of the shorter of the parallel 
A. 
in.2
B. 3
in.2
C. 6
in.2
D. 
in.2