If a = − 65 and b = 8, the product of a x b models which rule for multiplying integers? what is the product? a) (+)(+) = +; the product is 520. b) (−)(−) = +; the product is 520. c) (+)(−) = −; the product is −520. d) −(−)(+) = −; the product is −520.

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

What is the slope of the line shown below?

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?