A car company created a 90-second commercial and purchased enough air time for it to be played at 4 random times during prime time hours of 8p. m. to 11 p. m. if a viewer turns their television on at a random time during prime time hours, what is the probability that the car commercial will be playing at that time?

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: -1

step-by-step explanation:

step-by-step explanation:

mean or average is 40.6

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.