Mai-li has 5 1/8 yd of material her new shirt will take 2 3/4 yd how much material will she have left after the skirt is made. a. 2 3/4 yd b. 3 5/8 yd c. 2 3/8 yd d. 3 1/8 yd

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

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

What are the triple angle formulas? is it related to double angle identities?