Solve 5/8 x - 2/3 y = -3 3/4 x + 1/2 y = -4

The verbal translation for the difference of m and 7 increased by 15

Given that abcd is a rhombus, what is 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?