exam Maths Puzzle Numerical Ability

Find the slope of each line. If the line has no slope, say so. Explain your answer and show all work.

y = 12-4x and x-3y = 9

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exam Other Question

Pat travels 70 miles on her milk route and Bob travels 75 miles on his route. Pat travels 5 miles per hour slower than Bob, and her route takes ½ hour longer than Bob’s. Find the speed at which each of them is traveling. Help!
Solve the inequality and graph it.
3 -5x >/ 18
-1/2x + 7 < 5 + x
Solve and graph.
-3 >/ 5-2x/-7
Graph the following.
3x -2 < 1
Graph the following compound inequality