The forces acting on an object weighing W units on an inclined plane positioned at an angle of ? with the horizontal (see figure) are modeled by
?
?
where ? is the coefficient of friction. Solve the equation for ? and simplify the result.
?
?
A. 
B. 
C. 
D. ?
E. 
Answer: D
Mathematics
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Use the information given to draw a bar graph. Clearly label the bars. The following table shows the average amount spent per week on groceries by four different families. Make a vertical bar graph to illustrate the data.
What will be an ideal response?
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Multiply.70 ? 5
A. 355 B. 345 C. 75 D. 350
Mathematics
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.- 
A. Rational, -11.358 B. Irrational, -11.358 C. Irrational, 11.358 D. Not a real number
Mathematics
Multiply.(2x - 5y)2
A. 2x2 - 20xy + 25y2 B. 2x2 + 25y2 C. 4x2 + 25y2 D. 4x2 - 20xy + 25y2
Mathematics