Use Heron's formula to find the area of the triangle. Round to the nearest square unit.a = 10 yards, b = 10 yards, c = 16 yards

A. 51 square yards
B. 54 square yards
C. 57 square yards
D. 48 square yards


Answer: D

Mathematics

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A. a, b; yes B. a, a; no C. b, a; yes D. b, b; no

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Solve.x2 + 3x - 54 = 0

A. x = -9, 1 B. x = -9, 6 C. x = 9, 6 D. x = 9, -6

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Write the sentence as a proportion.8.3 gallons is to 4.2 minutes as 41.5 gallons is to 21 minutes.

A.  =  
B.  =  
C.  =  
D.  =  

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Factor completely. If the polynomial is prime, state so.x3 + 12x2 + 36x

A. prime B. x(x + 6)2 C. x(x + 6)(x - 6) D. x(x - 6)2

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