exam Maths Puzzle Numerical Ability

Solve each of the following systems by graphing

2x � y = 4 and 2x � y = 6

x-2y =8 and 3x-2y=12

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exam Other Question

SUBTRACT A2 - 4a from 3acubed + 4a sq.+ a + 3
The 1st a is sq. , 2nd a cubed, 3rd a sq. , last a regular kendra is saving to buy a new computer. write an expression to represent the amount of money she will have if she has s dollars saved and she adds d dollars per week for the next 12 weeks.