Solve the equation.
= 12 - x
A. ±7
B. -16, -9
C. ±
D. 9
Answer: D
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Solve the problem.The rate of water usage for a business, in gallons per hour, is given by 
where t is the number of hours since midnight. Find the average rate of water usage over the interval 
A. 3.78 gallons per hour B. 4.37 gallons per hour C. 0.37 gallons per hour D. 3.63 gallons per hour
Find an equation of the hyperbola with vertices (0,±6) and asymptotes  Figure 2.png)
What will be an ideal response?
Graph the linear equation.7x = y + 5
A. 
B. 
C. 
D. 
Given that P varies jointly with r and s and 
when 
and 
class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_6ad8f1bdcdb9477b9ddfdaaa5" />, find P when 
and 
.
Fill in the blank(s) with the appropriate word(s).