Agreenhouse that specializes in growing vegetables used for chinese cooking is divided into sections. the number of plants in each section depends on the number of sprinklers in that section.

in a section with y sprinklers there are y(4y _ 1) napa cabbage plants and (y + 5)2 bok choy plants.

which simplified expression represents the total number of napa cabbage plants and bok choy plants in a section with y sprinklers?

4y4 _ 10y2 + 25

4y2 + 9y + 25

5y2 _ 11y + 25

5y2 + 9y + 25

Every compound can be represented by a chemical formula. a chemical formula is the set of symbols showing the elements that make up a compound and their proportions. water’s chemical formula is h 2 2 o. that means a molecule of water contains two atoms of hydrogen and one atom of oxygen chemically bonded. a molecule is a group of two or more atoms bonded together. molecules can range in size from two to thousands of atoms. a molecule of a compound is the smallest unit of that compound. every molecule of water has all the physical and chemical properties of water. that’s because every molecule of water is made of the same elements in the same proportions: two hydrogen atoms and one oxygen! which of the following is a true statement? a every molecule of the same compound will have different properties. b every molecule of a compound has the same proportion of elements. c molecules can be physically separated into smaller units of a compound. d molecules cannot be represented by chemical formulae.

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.