The thickness of a surfboard relates to the weight of the surfer. a surfboard iss 21 3/16 inch thick. write each dimension as a decimal

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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?

What is the lcm of 16 and 40 ? 24 and 40 ?