Astone that weighs 4 lb falls from rest to earth from a great height. as it falls, the air resistance acts on it, which is numerically equal to (1/2) v (in pounds), where v is the velocity 8 in feet per second).

a) determine the speed and distance traveled after t seconds.

b) determine the speed and distance traveled at the end of 5 seconds.

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.

[tex]5 \times1 \frac{12}{13} [/tex] me

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm