What expression is equivalent to:
4(x+2)-(x+7)
a.3x+13
b.3x+15
c.3x+1
d.3x+9

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

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?

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6