HELP 50 PTS (geometry)

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Indicate the formula for the following conditions: p^c(n,r)=

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°