Hector made a scale drawing of the front of a building. • The front of the actual building is in the shape of a rectangle with a height of
21 feet and a width of 15 feet.
• The height of the building in Hector's drawing is 3.5 inches, and the width is 2.5 inches.
What scale factor did Hector use in his scale drawing?
A. 1 inch : 2 feet
B. 1 inch : 4.3 feet
C. 1 inch : 6 feet
D. 1 inch : 8.4 feet

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

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

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is