Use a reciprocal identity to find the indicated trigonometric function of ?.cos ? if sec ? = - 
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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Write the given decimal as an infinite series, then find the sum of the series, and finally, use the result to write the decimal as a ratio of two integers.0.44444 . . .
A. 
B. 
C. 
D. 
Mathematics
Simplify.(73 × 35)-3
A. 79 × 315
B. 78 × 38
C. 
D. 
Mathematics
Use a graphing calculator to solve the equation to the nearest tenth.x2 - 9x - 3 = 0; x between 9 and 10
A. 9.2 B. 9.4 C. 9.5 D. 9.3
Mathematics
Solve the problem.Ron and Kathy are ticket-sellers at their class play. Ron is selling student tickets for $1.00 each, and Kathy selling adult tickets for $3.50 each. If their total income for 23 tickets was $53.00, how many tickets did Ron sell?
A. 17 tickets B. 11 tickets C. 13 tickets D. 12 tickets
Mathematics