Question Details Nichole's school is selling tickets to a play. On the first
day of ticket sales, the school sold 5 senior citizen
tickets and 8 student tickets for a total of $142. The
school took in $128 on the second day by selling 5
senior citizen tickets and 7 student tickets.
What is the cost of a student ticket?

14.00
17.75
9.00
19.00

Ineed if you could explain and give me the answer you! this needs done

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Find the zeros of each function. f(x) = 6x^2 - 7x - 20