Find an equation of variation for the given situation.y varies jointly as x and the square of z, and y = 500 when x = 4 and z = 5
A. y = 25xz
B. y = 5xz2
C. y = 
D. y = 6xz2
Answer: B
Mathematics
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Insert < or > between each pair of numbers to form a true statement.139.840 _____ 139.804
A. > B. <
Mathematics
Use the Distributive Property to remove the parentheses.6(2n + 9)
A. 8n + 15 B. 12n + 9 C. 66n D. 12n + 54
Mathematics
Answer the question.Let p be a point in the interior of ?abc with barycentric coordinates 
What is the area of ?pbc with respect to the area of ?abc?
A. 
? (area of ?abc)
B. 
? (area of ?abc)
C. 
? (area of ?abc)
D. Not enough information to determine.
Mathematics
Find a row echelon form or a reduced row echelon form, as indicated, for the given matrix.Find a reduced row echelon form for the matrix.
What will be an ideal response?
Mathematics