I have this problem i dont know
Do you?

Multiply 0.625/1 by 1000/1000 to get 625/1000. Reducing we get 5/8  

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

answer: what are the following choices