Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 1.55 yd
A. 4.9 yd; 30.2 yd2
B. 9.7 yd; 9.7 yd2
C. 9.7 yd; 7.5 yd2
D. 4.9 yd; 19.5 yd2
Answer: C
Mathematics
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Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.x2 - 12x + 144
A. (x + 12)(x - 12) B. (x - 12)2 C. (x + 12)2 D. prime
Mathematics
Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round angle measures to the nearest degree and lengths to the nearest tenth when necessary.B = 21°, b = 3, a = 26
A. A = 17°, C = 141°, c = 26 B. No triangle exists. C. A = 20°, C = 140°, c = 30.5 D. A = 19°, C = 139°, c = 29
Mathematics
Solve.xy - y2 = 49xy - 10y2 = 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics