W = 5p+t
Work out the value of W when p = 6.2 and t = -4

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?