Which phrase matches the algebraic expression below?

2 (x-7) + 10

1) Two times the sum of x and seven plus ten

2) Two times the difference of x and seven plus ten

3) Two times x minus seven plus ten

4) Two times x minus the sum of seven and ten

Which is a degenerative joint disease in which joint cartilage is gradually lost due to a combination of aging, obesity, wear and abrasion of the joints?

In lab, imagine that you are given a section of the aquatic plant, Elodea, to observe. As part of your observation, you prepare a wet mount of Elodea, and add a 20% NaCl solution to your slide.

Is salt a solid or a liquid

Which mutation below would result in the greatest amount of change in the proteins that code for a particular trait? inserting three nucleotides deleting two nucleotides deleting one codon deleting one codon

Plasma from a sick mouse is filtered across a membrane that has a 200 nm pore size. If the filtrate is still infectious when injected into a healthy mouse, then the pathogen is most likely a (n): -parasitic worm -fungus -virus -bacterium -archaean

When a patient arrives in the emergency room, he is restless and irritable with unlimited energy and a rapid rate of speech. the attending psychiatrist believes the patient has taken cocaine or amphetamines and admits him for observation.

Explain how oral contraceptives work to prevent pregnancy

What are two non living things, cheetahs interact with?

A classmate states that mitochondria and chloroplasts descended from the same type of bacteria. Does the evidence support this? explain your reasoning

Can gel electrophoresis separate DNA fragments