Use multiplication to check the answer. If an answer is incorrect, find the correct answer.

A. Incorrect; should be 7998 R7
B. Incorrect; should be 7991 R5
C. Incorrect; should be 7991 R6
D. Correct


Answer: B

Mathematics

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List the items mentioned. Try to organize your list in a systematic way.A two-person team is being chosen from Avery, Barb, Carlo, and Deanna. Use a letter to represent each person and list all possible teams.

A. (A, B), (B, A), (A, C), (C, A), (A, D), (D, A), (B, B), (B, C), (C, B), (C, D), (D, C), (B, D), (D, B) B. (A, B), (A, C), (A, D), (B, C), (B, D), (C, D) C. (A, B), (A, C), (A, D), (B, A), (B, C), (B, D), (C, A), (C, B), (C, D), (D, A), (D, B), (D, C) D. (A, A), (A, B), (A, C), (A, D), (B, A), (B, B), (B, C), (B, D), (C, A), (C, B), (C, C), (C, D), (D, A), (D, B), (D, C), (D, D)

Mathematics

Solve. Write a mixed numeral for the answer.Find the length of the section represented by x in the figure.  a = 22 b = 1 c = 10

A. 10
B. 10 
C. 12 
D. 31 

Mathematics

Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false.If the graph of f is concave downward on (a, b), then the graph of - f is concave upward on (a, b).

What will be an ideal response?

Mathematics

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.

A. y = 0.63x + 4.88 B. y = 0.43x + 4.98 C. y = 0.53x + 4.88 D. y = 0.73x + 4.98

Mathematics