Seven of the 10 children at art camp make an average of 8 paintings. the remaining children make an
average of 12 paintings.

what is the average number of paintings made by children at the art camp?

(work backwards multiplying the two averages with the two group of children. add the averages, then divide by
all the children.)

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?

Which of the following shows the length of the third side, in inches, of the triangle below

Can anyone me get through my algebra 2 class? the only class i need to graduate..