A cable company had 595 subscribers The ratio of regular subscribers to premium subscribers 8:9 how many regulars subscribers did they have

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges