Joanna went to the farmers market to buy some apples and oranges. She bought 8 oranges and some apples. The cost per orange was $1.79 and the cost per pound of apples was $1.49. Joanna spent a total of $23.26 on apples and oranges at the farmers market. Let p represent the number of pounds of apples Joanna bought.

Create the equation that symbolizes this situation, and then answer the question below

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease