exam Maths Puzzle Numerical Ability

Hello,
Can you please help me find the slpe of the line through each pair of points.
(-5,6), (-2,9)
Thank you,

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exam Other Question

graph each system of equations and describe it as consistent and independent,consistent and dependent, or inconsistent.

y=-x-2
x+y=-4 Karl determined that the ratio of trucks to cars sold at his car dealership last month was 3 to 7. If a total of 210 trucks and cars were sold last month, how many cars were sold?