Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.
A. Monomial; variables x, y; coefficient 7; degree 2
B. Monomial; variables x, y; coefficient 7; degree 1
C. Monomial; variables x, y; coefficient 7; degree -2
D. Not a monomial
Answer: D
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Decide whether the statement makes sense. Explain your reasoning.If you complete the four-step problem-solving process carefully and thoroughly, then you will have no uncertainty about your final answer.
What will be an ideal response?
Evaluate the expression.sec 90°
A. 1
B. Undefined
C. 0
D. 
Evaluate.Let a = 
, b = 
. Find a + b.
A. 
B. 
C. 
D. 
Four equilateral triangles cut from the same fabric are needed to complete the quilt square design shown.
To form the four small triangles the designer uses one equilateral triangle whose sides are
twice the length of the sides of the needed triangles. Then he makes three cuts from midpoint to midpoint as shown. Explain how these cuts will form four congruent triangles whose sides are half the length of the side of the original piece of cloth.
