(4x + 8) + (9x - 3) = 53
i don’t know how to do this i’m slow.

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school