Which expression is equivalent to 21x + 9 - 3x? A. 9(2x - 1) B. 9(x + 1) C. 9(2x + 1) D. 18(x + 1) ​

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog