Identify the equation as an identity, contradiction, or conditional equation.7x + 6(3x - 4) = 5 - 4x
A. contradiction
B. identity
C. conditional equation
Answer: C
Mathematics
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Solve the problem.Larry has $2900 to invest and needs $3500 in 20 years. What annual rate of return will he need to get in order to accomplish his goal? (Round your answer to two decimals.)
A. 3.27% B. 0.94% C. 1.27% D. 2.27%
Mathematics
Identify the domain of f. Write your answer in set-builder notation.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A certain noise produces 
of power. What is the decibel level of this noise (to nearest decibel)? Use the formula 
where 
A. 184 decibels B. 70 decibels C. 8 decibels D. 80 decibels
Mathematics
Convert the measurement as indicated.6 yd 1 ft = 
ft
A. 19 ft B. 13 ft C. 7 ft D. 9 ft
Mathematics