Solve the equation.x + 2.9 = 8.9
A. 11.8
B. -6
C. 3.069
D. 6
Answer: D
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Calculate the requested distance.The distance from the point S(3, -7, -1) to the line x = -10 + 2t, y = 3 + 9t, 
A. 
B. 
C. 
D. 
Write the decimal in words.4.91
A. Four and ninety-one tenths B. Four and ninety-one thousandths C. Four and ninety-one millionths D. Four and ninety-one hundredths
Find the numerical value of the expression for 
and 
x + 7
A. a) 3 b) 11 B. a) 11 b) 25 C. a) 25 b) 11 D. a) 28 b) 126
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 - 4y - 12 = 0
A. a. center = (0, 2); radius = 4
b. (2
, 0), (-2
, 0), (0, 6), (0, -2)
B. a. center = (0, 2); radius = 4
b. (2
, 0), (0, 6)
C. a. center = (2, 0); radius = 16
b. (2
, 0), (-2
, 0), (0, 6), (0, -2)
D. a. center = (0, -2); radius = 16
b. (2
, 0), (0, 6), (0, -2)