A practical problem states that a car travels 60 km/h and a truck travels 40 km/h. If they start from the same point and travel in opposite directions, how far apart will they be after 2 hours?

B. 120 KM
Posted in:  Linear Equations -  Algebra -  Mathematics

Which of the following pairs of equations represents a system that has no solution?

A. X + Y = 5 AND X + Y = 10
Posted in:  Linear Equations -  Algebra -  Mathematics

Solve the following system of equations using substitution: y = 2x + 1 and 3x - y = 4. What is the value of x?

A. 1
Posted in:  Linear Equations -  Algebra -  Mathematics

What is the sum of 5 and 7?

A. 11
Posted in:  Numbers -  Arithmetic -  Mathematics