Solve the system of nonlinear equations.x2 + y2 = 41x + y = -9
A. (4, -5), (5, -4)
B. (-4, 5), (-5, 4)
C. (4, 5), (5, 4)
D. (-4, -5), (-5, -4)
Answer: D
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Write the percent as a decimal.0.44%
A. 0.0054 B. 0.044 C. 0.44 D. 0.0044
For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 
tk
A. a = 
T
B. a = 
N
C. a = T + 
N
D. a = 
N
Find the missing numbers. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.
A. Markup: $35.07 Selling Price: $88.21 B. Markup: $80.52 Selling Price: $133.66 C. Markup: $119.14 Selling Price: $172.28 D. Markup: $66.00 Selling Price: $119.14
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(0, 4); m = 
A. y = 
x - 
B. y = 
x + 4
C. y = - 
x + 4
D. y = - 
x + 