Round your answer to the nearest whole number

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

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

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%