Find the circumference of the circle. Use 3.14 or  for ? as indicated.Use 3.14 for ?.

A. 314.00 yd
B. 157.00 yd
C. 78.50 yd
D. 1962.50 yd


Answer: B

Mathematics

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Find y in terms of x. =  + 5, curve passes through (4, 3)

A. y =  + 5x + 25
B. y =  + 5x - 
C. y =  + 5x - 
D. y =  + 5x - 19

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Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 13x - 6

A. Increasing on ; decreasing on 
B. Increasing on ; decreasing on 
C. Increasing on ; decreasing on 
D. Increasing on ; decreasing on 

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Insert a decimal point in the product.39.81 × 4.6 = 183126

A. 183,126. B. 18.3126 C. 1831.26 D. 183.126

Mathematics

Solve the equation. Express radicals in simplest form.5x2 = -4x - 8

A.
B.
C. ?
D.

Mathematics