What are the first four terms of an arithmetic sequence in which the first term is 3 and the common difference is -4

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

25 ! i need asap! ! ill mark brainliest!