Simplify using the quotient rule.
A. 7xy3z3
B. 7x31y19z2
C. 42xy3z3
D. 7y3z2
Answer: A
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Solve the system of equations graphically using a graphing calculator. Find all values to the nearest tenth.x = -3yx2 + y2 = 9
A. x = -2.8, y = 0.9; x = 2.8, y = -0.9 B. x = -3.2, y = 1.1; x = 3.2, y = -1.1 C. x = -2.8, y = 0.9 D. No solution
From the given list, identify the proper fractions.
, 
, 
, 
, 
A. 
, 
B. 
, 
, 
, 
C. 
, 
D. 
, 
, 
Simplify the expression.3-2
A. -9
B. 
C. 9
D. 
Solve the problem.Suppose that an open box is to be made from a square sheet of cardboard by cutting out 
squares from each corner as shown and then folding along the dotted lines. If the box is to have a volume of 243 cubic inches, find the original dimensions of the sheet of cardboard. 
A. 9
in. by 9
in.
B. 15 in. by 15 in.
C. 3 in. by 3
in.
D. 9 in. by 9 in.