A company is paying a local radio station to run its commercials. The cost for running commercials is a one-time campaign fee and also a pecsecond fee for the ar time of each commercial. The cost can be modeled by the equation y = 250 - 100%, wherex is seconds
What is the slope, and what does it represent?

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

the diameter is 16 cm. are you a teacher?

step-by-step explanation:

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