Perform the desired operation. Write the answer in the form a + bi.5(3 - 6i)
A. 15 - 30i
B. 3 - 30i
C. 15 + 30i
D. 15i - 6i
Answer: A
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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
Divide.
A. 0 B. 1 C. -17 D. undefined
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
Specify the following set.A ? B
A. {v, x} B. {q, s, u, v, w, x, y, z} or A C. {s, u, w} D. {s, u, v, w, x, z}
Find the sum or difference.(5x4 - 9x2 + x) - (2x3 + 8x2 + 3x) + (4x2 - x)
A. 11x5 + 7x4 - 3x B. 5x4 - 2x3 - 13x2 - 3x C. 5x4 + 2x3 - 21x2 - 3x D. 5x4 - 2x3 - 11x2 + 3x