exam Maths Puzzle Numerical Ability

any help on how to solve this chart

Fill in the chart given this linear equation:
y = -2x � 9
x y
-2 -5
-1 -7
0 -9
1 -11
2 -13

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exam Other Question

Find two consecutive odd integers such that three times the second is twelve more than the first. Six students each try to guess the number of pennies in a jar. The six guesses are 52, 59, 62, 65, 49, and 42. One guess is 12 away, and the other guesses are 1, 4, 6, 9, and 11 away. How many pennies are in the jar?