Which figure appears to have only 1 line of symmetry

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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?

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65