Answer the question.Illustrate (3 + 2) + 4 = 3 + (2 + 4) with a number-line diagram.
A. 
B. 
C. 
Answer: C
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Solve.Mark and Rachel both work for Smith Landscaping Company. Mark can finish a planting job in 3 hours, while it takes Rachel 4 hours to finish the same job. If Mark and Rachel will work together on the job, and the cost of labor is $40 per hour, what should the labor estimate be? (Round to the nearest cent, if necessary.)
A. $68.57 B. $23.33 C. $140.00 D. $137.14
Use a grapher to graph the function.The displacement y of the end of a gear tooth is given by 
Sketch the graph of two cycles of y as a function of t in seconds. Label the point on the horizontal axis which represents the end of the second cycle.
A. 
B. 
C. 
D. 
Find the equation of the graph. Write the equation in slope-intercept form.
A. y = 
x + 3
B. y = - 
x + 4
C. y = - 
x - 6
D. y = 
x - 2
Write the whole number in word form.7567
A. seven hundred five, sixty-seven B. seven hundred thousand, five hundred sixty-seven C. seven thousand, five hundred sixty-seven D. seventy-five thousand, sixty-seven