How many times greater is 700 than 70

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?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)