Oliver works at a bookstore. he packed 20 identical paperbacks and 9 identical textbooks in a box. the total mass of the books was 44.4 pounds. after he put 1 more textbook and 5 more paperbacks in the box, the total mass of the books was 51 pounds.

write a system of equations that can used to determine p, the mass, in pounds, of one paperback, and t, the mass, in pounds of one textbook.

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

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

Which of the following will form the composite function?