5 out of every 10 kid's meals contain a toy car. Find the probability that (a) You must purchase seven kid's meals to find a toy car.
(b) You must purchase fewer than seven kid's meals to find a toy car.
(c) A toy car is not in any of the first four kid's meals you purchase.
Round all answers to four decimal places.

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Landon wrote that 3−2.6=4. which statement about his answer is true?

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?