Consider the following equations: −x − y = 1

y = x + 3

If the two equations are graphed, at what point do the lines representing the two equations intersect?

a

(−1, 2)

b

(−2, 1)

c

(1, −2)

d

(2, −1)

Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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?