What is 4.5x + 2.5(x - 4)

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

A. the probability that a product is defective is 0.1. what is the probability that there will be 1 or less defective products out of the next 8 produced products b.the expected number of imperfections in the coating nylon for parachutes is 6 per 100 yards. what is the probability of finding 12 or fewer imperfections in 260 yards c.in a lot of 54 products there are 9 defective products. calculate the probability that not more than 1 is defective from a random sample of 17 products.

Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =