Which representation has a constant of variation of -2.5?

a. x: -2 -3 -4 -5
y: -5 -7.5 -10 -12.5

b. 5x + 2y = 0

c. y = -2.5x + 1

d. (i couldn’t type this out so i linked a picture above)

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

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?