Illustrate Goldback's conjecture for the following number.60
A. 19 + 41
B. 3 + 57
C. 30 + 30
D. 22 ? 3 ? 5
Answer: A
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Provide an appropriate response.Determine the exact value of cos 5°sin 85° + sin 5°cos 85°.
A. -1 B. 2 C. 0 D. 1
Find all solutions to the triangle described below.
?
m, 
m
?
Apply the rules regarding the use of significant digits to each angle and length after all computations are complete.
?
A. 
m
B. 
? m or 
m
C. 
? m
D. 
? m or 
m
E. no solution
Solve the equation. Don't forget to first simplify each side of the equation, if possible.4x + 8 = 5(x - 4)
A. -28 B. 28 C. 12 D. -12
Solve the problem.An average score of 70 for 6 exams is needed for a final grade of C. Jane's first 5 exam scores are 65, 70, 55, 82 and 87. Determine the minimum score Jane needs on the sixth exam to get a C in the course.
A. 61 B. 72 C. 60 D. 85