Add and simplify. Write the answer as a mixed number as needed.
hr + 
hr + 
hr
A. 9
hr
B. 9
hr
C. 9
hr
D. 9
hr
Answer: D
Mathematics
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Graph the equation.y = x2 - 5
A. 
B. 
C. 
D. 
Mathematics
Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
A. {1} B. {0, 2, 3, 4, 5, 6, 7, 8, 9} C. {1, 2, 3, 4, 5, 6, 7, 8, 9} D. {1, 2, 3, 4, 5, 7, 8, 9}
Mathematics
Given the formula: 
Find d.
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve.A rancher plans to have 236 square feet of pasture for each cow on his field. If the area of the field is 41,772 square feet, how many cows should the rancher allow in the field?
A. 186 cows B. 170 cows C. 177 cows D. 41,536 cows
Mathematics