Acomputer programmer charges $45 an hour for coding projects plus a start up fee of $150. write an equation in standard form to represent the total cost t of a project that takes h hours.

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.