The graph shows a line and two similar triangles. What is the equation of the line?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?