Will mark as brainliest. solve using the quadratic formula. x^2 + 3x - 5 = 0 a) x = 3 ± / 2 b) x = 3 ± / 2 c) x = 3 ± / 3 d) x = -3 ± / 2

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Acircle has a circumference of 7.850 units. what is its radius?

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?