A movie theater sold 155 aldult tickets and 230 children ticket to a movie in total the theater made 1285.50 in ticket sales mrz Ramirez paid 53.75 for 2 adults tickets and 3 children tickets what is the cost for one adult ticket
need answer asap​

Plz which expression is equivalent to the expression below?

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.