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

A store sells pencils for $0.50 each and erasers for $0.75 each. If a student buys a total of 10 items for $6.00, how many pencils did the student buy?

B. 4
Posted in:  Linear Equations -  Algebra -  Mathematics

A line passes through the points (1, 2) and (3, 6). What is the slope of the line?

A. 2
Posted in:  Linear Equations -  Algebra -  Mathematics

A car travels 150 km in 3 hours. What is its speed in km/h?

B. 60 KM/H

If a vehicle travels 240 km in 3 hours and 30 minutes, what is its average speed in km/h?

B. 65 KM/H