Please help, I don’t understand this problem

What is the prime factorization of 195

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )