Solve the problem. Round amounts of money to the nearest cent.If grass grows at the rate of 12 inches per week, how many feet per hour does it grow?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the equation for the plane.The plane through the points P(5, -3, -12) , Q(-3, -2, 28) and R(-1, 6, -48).
A. 6x + 8y + z = 6 B. 8x + y + 6z = 6 C. 6x + 8y + z = -6 D. 8x + y + 6z = -6
Mathematics
Solve the system using substitution.
A. (4, 4) B. no solution C. (5, 4) D. (5, 3)
Mathematics
Write the following proportions.11 inches is to 15 inches as 55 inches is to 75 inches
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Provide an appropriate response.If n is even, under what condition is 
negative?
A. Never B. When a is positive C. When a is zero D. When a is negative
Mathematics