Estimate by rounding as directed. 4.06 + 0.013 + 0.197; nearest one
A. 4.3
B. 4
C. 5
D. 4.27
Answer: B
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Match the equation of the ellipse with the appropriate description. 
+ 4y2 = 6400
A. x-intercepts (2500, 0), (-2500, 0); y-intercepts (0, 89), (0, -89)
B. x-intercepts (50, 0), (-50, 0); y-intercepts (0, 40), (0, -40)
C. x-intercepts (40, 0), (-40, 0); y-intercepts (0, 50), (0, -50)
D. x-intercepts 
, 
; y-intercepts (0, 80), (0, -80)
Perform the indicated operation. Simplify the result, if possible.
+ 
A. x - 4
B. x - 5
C. 
D. x + 4
Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.arcsin 0.72
A. 35.75° B. 92.11° C. 46.05° D. 43.95°
Factor the expression completely. If the polynomial is prime, state this as your answer.9x2 - 12xy + 4y2
A. (3x - 2y)2 B. (3x - 2y)(3x + 2y) C. (3x + 2y)2 D. (9x + y)(x + 4y)