You need further explanation like are your trying to find the missing angle like you would do 180-65-60=55
Y=-x^2+6x-8 is the y-intercept. so you know that. look up the definitions to vertex, symmetry, and direction of opening and go from there. any questions?
Answer:
12and 13anwer of this queation
The monthly charges became equal when:
60+0.05x=45+0.15x
where x the number of minutes.
60-45=0.15x - 0.05x
15=x(0.15-0.05)
x=15/0.1 = 150 minutes
100%, since 5/5 is equal to 1, which is 100%.