Solve and check the linear equation.0.40(30) + 0.70x = 0.60(30 + x)
A. {30}
B. {70}
C. {50}
D. {60}
Answer: D
Mathematics
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Factor the expression completely. If the polynomial is prime, state this as your answer.49x2 - 16y2
A. (7x + 4y)(7x - 4y) B. prime C. (7x + 4y)2 D. (7x - 4y)2
Mathematics
Solve the equation for x.
= 3
A. {-3}
B. {
}
C. {3}
D. 
Mathematics
Determine whether the graph is that of a function.
A. function B. not a function
Mathematics
Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.20 cents to $7
A. 
B. 
C. 
D. 
Mathematics