Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 
C. 8z - 9
D. 
Answer: D
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Evaluate.
+ 
A. 
B. 
C. 
D. 
Make the indicated conversion between American and metric units of weight and mass using the given property or properties. Round the answer to two decimal places if necessary.A label on a box shows that the box weighs 80 kilograms. How many pounds is that?
A. 84.8 pounds B. 176 pounds C. 203.2 pounds D. 36.3 pounds
Provide an appropriate response.Find the maximum value of f(x) = 7 - 2x - x2.
A. 7 B. 8 C. 9 D. 10 E. 11
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) = -x2(x + 6)(x2 - 1)
A. 0, touches the x-axis and turns around; 6, crosses the x-axis; -1, touches the x-axis and turns around; 1, touches the x-axis and turns around B. 0, crosses the x-axis; -6, crosses the x-axis; -1, crosses the x-axis; 1, crosses the x-axis C. 0, touches the x-axis and turns around; -6, crosses the x-axis; -1, crosses the x-axis; 1, crosses the x-axis D. 0, touches the x-axis and turns around; -6, crosses the x-axis; 1, touches the x-axis and turns around