Find the percent change from 72 to 80.
(tips: Find the difference between 80 and 71. Set up a fraction, numerator is the difference and denominator is the original number of 71. Then multiply by 100 to get the percent. Show your work

Which letters from the table represent like terms? a and b b and c a and d b and d

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

If two lines form congruent alternate interior angles with a transversal, then the lines