Graph the linear equation by finding and plotting its intercepts.x = -3y
A. 
B. 
C. 
D. 
Answer: C
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Decide where the first digit in the quotient would be located. Then without finishing the division, determine which of the three choices is the correct answer.
A. 1762 R 175 B. 17,620 C. 176 R 175
An International Standard Book Number (ISBN) is used to identify books. The ISBN number for some book is 0-534-36890-5. The first digit, 0, indicates the book is published in an English-speaking country. The next three digits, 534, identify the publisher (Brooks/Cole) and the next five digits identify the particular book. The last digit is a check digit, which is used as follows. Multiply the first digit by 10, the next digit by 9, and so on:
?
10(0) + 9(5) + 8(3) + 7(4) + 6(3) + 5(6) + 4(8) + 3(9) + 2(0) + 1(5) = 209
?
This number is congruent to 0, (mod 11). This is not by chance. The check digit, 5, is chosen so that this sum is 0, (mod 11). In other words, the check digit x for the book with ISBN number 0-534-34015-x is found by considering:
?
10(0) + 9(5) + 8(3) + 7(4) + 6(3) + 5(4) + 4(0) + 3(1) + 2(5) = 148 ? 5
?
This means that for check digit x, 5 + x ? 0, (mod 11). The one-digit solution to this equation is x = 6, so the check digit is 6. What is the check digit for the book with ISBN 0-8028-1430-x?
?
A. 
B. ?
C. ?
D. ?
E. ?
Graph the function.y = csc 
A. 
B. 
C. 
D. 
Given a = 7, b = 10, and c = 11, use the Law of Cosines to solve the triangle for the value of ?. Round your answer to two decimal places.
Figure not drawn to scale
A. 62.96° B. 80.44° C. 78.46° D. 38.57° E. 60.33°