Solve.6(x + 5) - (6x + 30) = 0
A. {0}
B. ?
C. {5}
D. ?
Answer: B
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Solve.A young married couple had a combined annual income of $49,000. If the wife made $3000 more than the husband, graph the system to find the two incomes.
A. Wife's income: $43,000 Husband's income: $6000 B. Wife's income: $6000 Husband's income: $43,000 C. Wife's income: $26,000 Husband's income: $23,000 D. Wife's income: $23,000 Husband's income: $26,000
Perform the addition. Express your answer in simplest form.
+ 
A. 
B. 
C. 3
D. 
A partial solution set is given for the equation.
?
?
Find the sum of all the solutions of the equation.
?
A. 
B. 
C. 
D. 
E. none of these
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 + 8
A. maximum; 0 B. maximum; 8 C. minimum; 0 D. minimum; 8