Help me solve this please!

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?