PLZ HELP IM DOING A TEST Which of the following is the correct definition of an integer? A
All rational numbers on a number line.
B
All positive and negative whole numbers on a number line
C
All positive and negative whole numbers on a number line including zero.
D
All positive and negative numbers on a number line.

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

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.