The letter P on the number line below represents the number . (Use the hyphen for negative numbers and write the answer as a decimal, such as -7.2) Number line from negative 5 to positive 5 in increments of 0.5 is shown. Only the whole numbers are labeled. A point labeled P is placed at the fifth tick mark to the left of 0.

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

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5