The total cost f(x), in dollars, for renting a car for a day and driving it x miles is shown:
f(x) = 90 + 0.11x
what does f(30) represent?
the number of dollars spent to rent the car for 30 days
the number of miles driven on the car in 30 days
the number of dollars it costs to drive the car 30 miles
the number of miles driven for a cost of $30

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

This is about circle theorems. someone asap : (

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.