Ms. chang has 24 students in her class, and 8 of them are boys. what is the ratio of girls to boys?
a. 1 : 3
b. 1 : 4
c. 2 : 1
d. 2 : 3

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years