Solve the problem.A bakery owner sells rectangular birthday cakes that are 2 inches longer than they are wide. To increase his profit, he decides to decrease both the length and width by 3 inches. If the area of the new cake is 63 in.2 smaller than the old cake, then what are the length and width of the old cake?
A. length = 14 in. ; width = 9 in.
B. length = 15 in. ; width = 12 in.
C. length = 13 in. ; width = 11 in.
D. length = 12 in. ; width = 10 in.
Answer: C
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Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
-6x + 4y = -6} or {
12y = -18 + 18x}
B. {(-6, 4)}
C. no solution; ?
D. {(0,0)}
If the population of a certain town today is N, then in one year the population will be 
. The initial population is 3,132. Find a formula that gives the population N after t years.
?
A. 
B. ?
C. 
D. ?
Find the probability.Two fair 6-sided dice are rolled. What is the probability the sum of the two numbers on the dice is 3?
A. 2
B. 
C. 
D. 
Multiply.(11a + 3c)(11a - 3c)
A. 11a2 - 3c2 B. 121a2 + 66ac - 9c2 C. 121a2 - 9c2 D. 121a2 - 66ac - 9c2