WORTH 30 POINTS: Solve for u, z, y, or t: 1) u/p + u/q = m, if p does not = -q
2) z/m- z/n = 1, if m does not = n

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

What’s 8y+48 and factor each expression completely