Claire wants to solve the equation -1/4(x-1)=2/3x+2. which step would not be an appropriate first step for claire to take to solve for x?

a. multiply both sides by -4.
b. use the distributive property to distribute -1/4
c. add 1 to both sides.
d. multiply both sides by 3/2.

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

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?