Provide an appropriate response.The expression 7 - 2y is the same as -2y + 7. Why is this so?
What will be an ideal response?
Addition is commutative, so changing the order of the addends does not change the sum.
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Solve the problem.A group of 4 people wants to buy a boat. The boat costs $856. If they all pay the same amount, how much is each person's share?
A. $171 B. $224 C. $204 D. $214
Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. Find the indicated set.
? 
A. {q, r, s, t, u, v, x, z} B. {w, y} C. {q, s, u, v, w, x, y, z} D. {r, t}
Graph the function and then find the specified limit. When necessary, state that the limit does not exist.f(x) = 
; 
f(x) 
A. 
f(x) = -4
B. 
f(x) = 0
C. 
f(x) = 4
D. 
f(x) = -4
Answer the question.To complete the square from an equation in the form x2 - ax = b, is it ever appropriate to subtract a positive number from each side?
What will be an ideal response?