If t: (x, y) → (x - 7, y + 2), then t -1: (x, y) → a.( -x/7 , y/2) , 2y) c.(x - 7, y - 2) d.(x + 7, y - 2)

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?