Will give 5 stars! a snack of an apple, a brownie, and a cheese stick has 270 calories. two brownies and an apple have 290 calories. two apples and three cheese sticks have 420 calories. how many calories are in each item? let a=calories in an apple, b=calories in a brownie, and c=calories in a cheese stick.

Adding and subtracting matricesfind the value of each variable. x = and y = would

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years

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?