Which event has the greatest likelihood?
a. spinning 7
b. spinning not 7
c. spinning a multiple of 2
d. spinning a factor of 12

What is the number 321,000,000 in scientific notation? also what is the number? ?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.