In your class, there are 12 boys, 9 girls and 1 teacher. what is the ratio of girls to teachers?

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

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

Which expression is equivalent to -12(3x-3/4)