What is 63.546 to the nearest whole

64

Step-by-step explanation:

the 3 in the number "63.546" so you would look to the number to the right of it which is 5 and if it is 5 or higher you will round it to 64 and if its lower you will round it down to 62.

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