Write the expression in standard form.2 + 
+ 6 - 
A. 8 + 6i
B. 8 - 6i
C. 8 - 6
D. 8 + 6
Answer: B
Mathematics
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Graph the inequality.3x + 5y ? 15
A. 
B. 
C. 
D. 
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A substance has a hydrogen ion concentration of  figure 1.png)
. Find the pH of the substance.
 figure 2.png)
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Solve.Find the surface area of a rectangular box 4 feet by 3 feet by 5 feet.
A. 47 sq ft B. 79 sq ft C. 78 sq ft D. 94 sq ft
Mathematics
Solve the system by substitution or elimination. If a system is inconsistent or has dependent equations, say so.x - 3y = 4x = 8 + 3y
A. {(4, 3)}
B. {(4, 0)}
C. {(x, y)
}; dependent equations
D. ?; inconsistent system
Mathematics