Can anyone help with this using soh cah toa and rounding the answer to the nearest tenth of a foot?

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Write an algebraic expression for the word expression the quotient of c and 8