Simplify the expression.-1.8(5.1 - 5.9)
A. -15.08
B. 1.44
C. 15.08
D. -1.44
Answer: B
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Write a word name for the number in the sentence.Scientists were predicting the demise of the space colony as the population approached 600,040,000.
A. Six hundred million, forty hundred B. Six hundred million, forty thousand C. Six hundred forty million D. Six hundred billion, forty million
Add and simplify.
+ 
A. 
B. - 
C. - 
D. 
Simplify the expression. Assume that all variables are positive when they appear.
A. -3x15y15 B. 9x10y10 C. -3x10y10 D. 3x10y10
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = (x + 1)(x - 3)(x - 1)2
A. -1, crosses the x-axis; 3, crosses the x-axis; 1, touches the x-axis and turns around B. 1, crosses the x-axis; -3, touches the x-axis and turns around; -1, touches the x-axis and turns around C. 1, crosses the x-axis; -3, crosses the x-axis; -1, touches the x-axis and turns around D. -1, crosses the x-axis; 3, crosses the x-axis; 1, crosses the x-axis