Leah bought stamps at the post office. Some of the stamps had a snowflake design, some had a truck design, and some had a rose design. Leah bought 19 snowflake stamps. She bought 5 more truck stamps than snowflake stamps, and 20 fewer rose stamps than truck stamps. How many stamps did Leah buy in all?

Given abcd ac=38 and ae=3x+4 find the value of x

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?

In an isosceles triangle, the vertex angle is 112 degrees. what is the measure of each base. a.34 b.24 c.44 d.54