Which expression is equivalent to 30(1/2x-2)+40(3/4y-4)?
1.45xy-220
2.15x-30y-220
3.15x+30y-220
4.15x+30y-64

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

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

What is a possible solutions of the x> 3?