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
Mathematics
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 
Mathematics
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