Jonah teaches pet-training classes at the Happy Tails doggy daycare. Yesterday, he taught 2 tricks to a group of dogs during a 30-minute class. Jonah decided to create a longer class lasting 75 minutes. If he teaches tricks at the same rate, how many tricks will Jonah teach during the 75-minute class?

30 determine the coefficient on x 12 y 24 x12y24 in ( x 3 + 2 x y 2 + y + 3 ) 18 . (x3+2xy2+y+3)18. (be careful, as x x and y y now appear in multiple terms! )

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?

What percent of 18 is 24? and plz explain thx.