One of the values r (radius), d (diameter), C (circumference), or A (area) is given for a particular circle. Find the indicated value. Leave ? in your answer.C = 40? cm; r = ?
A. 20? cm
B. 80 cm
C. 40 cm
D. 20 cm
Answer: D
Mathematics
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Graph the equation by plotting the intercepts.-3x - 6y = 6
A. 
B. 
C. 
D. 
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Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.csc 35°
A. csc 145° B. sec 55° C. sin 55° D. sec 35°
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Determine graphically the x-value when y = 6 in the given equation.y = -1 - x
A. 7;
B. -5;
C. 5;
D. -7;
Mathematics
Determine whether the inequality is true or false.-42 ? -|-7|
A. True B. False
Mathematics