Cells exchange materials with the environment around them. What is the main reason for this?
Group of answer choices

A) to replace damaged and dying cells

B) to keep the cell membrane functioning

C) to release energy into the environment

D) to get rid of wastes and take in nutrients

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?