Which of the following will increase the gravitational force exerted by one object on another? No links plz

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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?