Item is now 102 it was 120 what was the % decrease

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

What can you determine about the solutions of this system

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)