What should be subtracted from 3x^2-4y^2+5xy+20 to obtain x^2+y^2+6xy+20?

Consider the following equation -167 + 37 = 49 - 21p select the equation that has the same solution as the given equation. o a. p - 5 + ip = 7 - p ob. +55 + 12p = 5p + 16 c. 2 + 1.25p = -3.75p + 10 d. -14 + 6p = -9 - 6p reset next

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m