How do i find the value of x if a triangle is equilateral?

The coordinate grid shows points a through k. which points are solutions to the system of inequalities listed below? 2x+ ys 10 2x 4y < 8 oa c, d, k o e, f. g, j oa, c, d, h, k oe, f. g, h, j

The verbal translation for the difference of m and 7 increased by 15

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left