One-fourth of the girls and one-eighth of the boys in a class retake their school pictures. the photographer retakes pictures for 16 girls and 7 boys. how many students are in the class?

How do you convert 1.27 to a percentage

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?