Find the speed of an ocean wave whose vertical displacement y as a function of time t is given by y( x, t) = 3.7 cos(2.2 x - 5.6 t), where all quantities are in SI units.

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

If value of cos330° is √3/2 then find tan165°.