Which linear equations have one solution? Check all that apply. 5x – 1 = 3(x + 11)
4(x – 2) + 4x = 8(x – 9)
4(x – 6) + 4 = 2(x – 3)
2(x – 4) = 5(x – 3) + 3
2(x – 1) + 3x = 5(x – 2) + 3

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities