If the sum of the interior angles of a polygon is 540, then how many sides does the polygon have? a. 5 b. 6 c. 7 d. 8

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z