Solve the equation. State whether the equation is a contradiction, an identity, or a conditional equation.-4(x - 2) - 55 = 5x - 9(x + 3)
A. {-82}; conditional equation
B. ? or { }; contradiction
C. all real numbers; identity
D. {-28}; conditional equation
Answer: B
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Write the number in scientific notation.In a certain city, the bus system carried a total of 18,200,000,000 passengers.
A. 1.82 × 1011 B. 1.82 × 1010 C. 1.82 × 109 D. 18.2 × 1010
Solve the problem.Find the amount of money in an account after 7 years if $1000 is deposited at 4% annual interest compounded quarterly.
A. $1315.93 B. $1319.48 C. $1322.51 D. $1321.29
Compare and contrast parallel lines and perpendicular lines. Given examples of each including examples where the slope of at least one of the lines is 0.
What will be an ideal response?
Use an inequality symbol to write the given statement symbolically.-x is positive
A. -x ? 0 B. -x > 0 C. -x ? 0 D. -x < 0