Simplify by removing grouping symbols and combining like terms.7{5y2 + 2[6y2 - (y + z2)]}
A. 119y2 - 7y + 7z2
B. 47y2 - 2y - 2z2
C. 119y2 - 14y - 14z2
D. 105y2 - 14y
Answer: C
Mathematics
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Match the vector equation with the correct graph.
r(t) = (3 - 2t)i + tj; 0 ? t ? 
A. Figure 1 B. Figure 8 C. Figure 5 D. Figure 3
Mathematics
Use the information below to determine the cardinality of the set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z}n(A' ? B)
A. 3 B. 9 C. 8 D. 2
Mathematics
Identify the equation as either an identity or not.
= 
A. Not an identity B. Identity
Mathematics
The bar graph shows the number of new residents in several towns during the years 1999 to 2001. Use the graph to answer the question. 
What was the total number of new residents in Birton during the years 1999 to 2001?
A. 417 B. 282 C. 382 D. 330
Mathematics