Martha's yearly income is $65,450. She has to pay 9.5% of income tax. What is the amount of income tax Martha has to pay? (Round to the nearest cent, hundredths place, if necessary)

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

answer for #1 is c

answer for #2 is d

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vertical=18cm horizontal=18cm hypotenuse=25.5

step-by-step explanation:

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