Just need the answer for 3 and 7 thanks

What is the maximum depth of water in this hypothetical stream? .75 meters
2. At what actual depth should the velocity sensor be set to record the average velocity? ( Remember that the average velocity is best measured at 6/10th's of the total depth.) .45 m
3. What is the average velocity of this stream, as measured by the virtual stadia rod and velocity sensor? m/sec
4. What is the distance on the tape of the left edge of stream? (Note that the edge of the stream is NOT at "0.0" on the tape.) 1.8 m
5. What is the distance on the tape of the right edge of the stream? 10.6 m
6. Compute the width of the stream. (This is the difference between the right and left sides.) 8.8 m
7. Discharge is computed as the volume of water in the stream passing by in one second.
DISCHARGE = DEPTH times WIDTH times AVERAGE VELOCITY.
(Keep in mind that for this very simplistic stream the velocity at a fixed depth is constant from side to side. Water velocity in a real stream varies not only with depth, but from side to side.)
What is the discharge of this stream? (Calculate to TWO decimal places in cubic meters per second)
cu m / sec