Solve.
= 7
A. 
B. ?
C. 
D. 
Answer: C
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Complete the square to write the equation in the form 
+ 
= 1 or 
+ 
= 1.25x2 + 9y2 + 50x - 36y - 164 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Graph the linear inequality in two variables.x + y < -5
A. 
B. 
C. 
D. 
Solve.Find the hydrogen ion concentration of a solution whose pH is 5.9. Use the formula 
A. 0.77085201 B. 1.26 × 10-6 C. -0.770852 D. 7.94 × 105
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15