if bina had 500 rs. she bought 10 pens of 10 rs and she bought 20 ballons for her birthday of 5 rs and she spent rest of money on having lunch. how much money did she spent on lunch

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?