Discover Questions

Any help is appreciated
Find an equation for the line perpendicular to the line 9x+5y=−3 having the same y-intercept as −2x−2y=4
.? What solvent is there for silicone-based stuff, that might be cheaper than mineral oil, and safe for topical application? If we have the same number of neurons all our lives, do our brains never change size along with our heads and skulls? In what year will the earth be too over populated to exist? Expand log-2(8x+40y)?