Mr. richard's class is holding a canned food drive for charity. juliet collected 10 more cans than rosana. santiago collected twice as many cans as juliet. if they collected 130 cans altogether, how many cans did juliet collect?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

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?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.