Estimate the sum or difference by first rounding each value to the indicated place value.-904.65 -(- 41.33)
round each to the nearest ten
A. 860
B. -860
C. -850
D. 850
Answer: B
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Evaluate the geometric series or state that it diverges.
A. - 
B. 
C. - 
D. 
Use a proportion to solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 48 centimeters long plays a B, what is the length of the string that plays a D?
A. 97 centimeters B. 75 centimeters C. 64 centimeters D. 81 centimeters
Solve the problem.Find a polynomial for the sum of the shaded areas of the figure.
A. 8z B. z2 + 8z + 16 C. 8 D. z2 + 16
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.3x2 + 2xy + 3y2 - 8x + 8y = 0
A. x = 
x' - 
y' and y = 
x' + 
y'
B. x = 
(x' - y') and y = 
(x' + y')
C. x = 
x' - 
y' and y = 
x' + 
y'
D. x = -y' and y = x'