The ratio to boys to girls in ms. chunningham's class is 2 to 3. there are 18 girls in the class. what is the total number of students in ms. chunningham's class?

a. 12

b. 30

c.45

d.27

Larissa dives into a pool that is 8 feet deep. she touches the bottom of the pool with her hands 6 feet horizontally from the point at which she entered the water. what is the approximate angle of elevation from the point on the bottom of the pool where she touched to her entry point? 36.9° 41.4° 48.6° 53.1°