which pair of triangles is alva referring to, and which criterion should she use for establishing congruence

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day