Simplify the expression. Select the correct answer. 
a. 9
b. 5
c. 6
d. 8
d. 8
Mathematics
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The following table shows the running speed R, in feet per second, of animals of length L, in inches. Use linear regression to model R as a function of L. L 3.5 6.3 9.4 9.8 R 8.22 15.79 24.01 24.93? ?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Martha can rake the leaves in her yard in 2 hours. Her brother can do the job in 4 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the linear equation. Label the coordinates of the y-intercept and the x-intercept.3y +2x = 6
What will be an ideal response?
Mathematics