exam Maths Puzzle Numerical Ability

1.)Solve the system.
4x + 3y = 11
3x - 2y= 4
x=? y=?

2.)Jennifer has collected $4.50 in nickels and dimes. If she has 55 coins, how many of each kind of coin does she have?

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exam Other Question

I need to know what exactly i am asked to do for these problems. On step1 what am I supposed to put in the space where the dots are? on step 3 I recognize that pattern but I get st Graph this equation:

y = -2x + 2