Two trains leave the station at the same time, one heading west and the other east. the westbound train travels 18 miles per hour faster than the eastbound train. if the two trains are 800 miles apart after 4 hours, what is the rate of the westbound train? do not do any rounding. this has to be right, the first time because it will force me to start over

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap