The depth of water at a dock can be modeled as y 4 sin (pi/6 x) + 7. At low tide, the water is 3 feet deep. What is the depth of water at high tide (its
maximum point)?
O A. 10 feet
O B. 11 feet
O C. 7 feet
O D. 14 feet

34

step-by-step explanation:

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

do your own work and don"t cheat.

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,