A positive point charge q sits at the center of a hollow spherical shell. The shell, with radius r and negligible thickness, has net charge −2q

It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)?             a.  10 to 50 psi    b.  40 to 140 psi  c.  210 to 290 psi  d.  at least 350 psi

The solutions to the inequality y ≤ 2x − 4 are shaded on the graph. which point is a solution? p

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)