Multiply.(x + 5)(x + 5)(4x + 2)
A. 4x3 + 120x2 + 42x + 50
B. 4x3 - 42x2 - 120x + 50
C. 4x3 + 50
D. 4x3 + 42x2 + 120x + 50
Answer: D
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Replace the polar equation with an equivalent Cartesian equation. 8r cos ? + 9r sin ? = 1
A. 8x + 9y = 1
B. 8y + 9x = 1
C. 8x + 9y = x2 + y2
D. 
+ 
= 1
Find any values of the variable that make the expression undefined.
A. 0 B. -5, -7 C. 5, -5 D. 5, 7
The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(-5, -12)
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = - 
tan ? = - 
csc ? = - 
sec ? = - 
cot ? = - 
C. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
D. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
Write a word name for the given decimal notation.1.882
A. One and eight hundred eighty-two tenths B. One and eight hundred eighty-two hundredths C. One and eight hundred eighty-two thousandths D. One and eight hundred eighty-two millionths